WO2015146715A1 - Système d'écriture de données, procédé d'écriture de données, carte de circuit imprimé assemblée, et carte de circuit imprimé - Google Patents

Système d'écriture de données, procédé d'écriture de données, carte de circuit imprimé assemblée, et carte de circuit imprimé Download PDF

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Publication number
WO2015146715A1
WO2015146715A1 PCT/JP2015/057888 JP2015057888W WO2015146715A1 WO 2015146715 A1 WO2015146715 A1 WO 2015146715A1 JP 2015057888 W JP2015057888 W JP 2015057888W WO 2015146715 A1 WO2015146715 A1 WO 2015146715A1
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WO
WIPO (PCT)
Prior art keywords
data
circuit board
circuit
memory
data writing
Prior art date
Application number
PCT/JP2015/057888
Other languages
English (en)
Japanese (ja)
Inventor
龍 郡山
学 吉岡
忠治 加藤
Original Assignee
アプリックスＩｐホールディングス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2014068967A external-priority patent/JP2015191489A/ja
Priority claimed from JP2014068966A external-priority patent/JP2015192070A/ja
Priority claimed from JP2014068965A external-priority patent/JP2015192069A/ja
Application filed by アプリックスＩｐホールディングス株式会社 filed Critical アプリックスＩｐホールディングス株式会社
Publication of WO2015146715A1 publication Critical patent/WO2015146715A1/fr

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/02—Disposition of storage elements, e.g. in the form of a matrix array
    • G11C5/04—Supports for storage elements, e.g. memory modules; Mounting or fixing of storage elements on such supports
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0266—Marks, test patterns or identification means
    • H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10098—Components for radio transmission, e.g. radio frequency identification [RFID] tag, printed or non-printed antennas
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10159—Memory
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0097—Processing two or more printed circuits simultaneously, e.g. made from a common substrate, or temporarily stacked circuit boards

Definitions

  • the present invention relates to a data writing system, a data writing method, a collective circuit board, and a circuit board used in a circuit board manufacturing process.
  • various electronic components are usually mounted on the circuit board, and then the various electronic components are electrically connected to check whether the circuit in the electronic components operates normally.
  • An electrical inspection is performed for the purpose.
  • the inspection terminals of the inspection jig are electrically connected to, for example, contact with the inspection conduction terminals provided on the individual circuit boards. Therefore, after separating each circuit board from the collective circuit board individually and performing such an inspection on each separated circuit board, the inspection terminal of the inspection jig and the conduction terminal of the circuit board are connected. Increases the number of contacts. In this case, for example, problems such as an increase in inspection time and deterioration of an inspection jig (such as wear of inspection terminals) occur.
  • Patent Documents 1 and 2 various techniques for solving this problem have been proposed (see, for example, Patent Documents 1 and 2).
  • Patent Documents 1 and 2 an electronic circuit composed of inspection wiring connected to each circuit board is printed on the area of the collective circuit board (the discarded board area) remaining after the circuit board is separated from the collective circuit board.
  • Patent Documents 1 and 2 there has been proposed a technique that makes it possible to inspect each circuit board in the state of the collective circuit board before the circuit board is cut off.
  • the present invention has been made to meet the above-mentioned demand, and an object of the present invention is to provide a technique capable of further improving the production efficiency of a circuit board in the circuit board manufacturing process.
  • a data writing system includes a plurality of circuit boards each including a circuit unit including a memory capable of writing data and capable of communicating with the outside, and a plurality of circuits.
  • a data transmission device capable of communicating with at least one circuit board in the circuit board, and a data writing unit for writing data in the memory.
  • the circuit unit receives predetermined data transmitted from the data transmission device or another circuit board that is included in the plurality of circuit boards and that has completed the data writing process to the memory, and writes the data. After the processing of writing the predetermined data received by the unit to the memory is completed, all or a part of the received predetermined data is included in a plurality of circuit boards, and the data writing processing to the memory is not performed Send to another circuit board.
  • the data writing method is a data writing method for writing data to a memory in each circuit board with respect to a plurality of circuit boards each having a circuit unit including a memory capable of writing data. It is performed by the following procedure. First, at least one circuit unit in a circuit board that is included in a plurality of circuit boards and that has not been subjected to data writing processing to the memory is externally, or data that is included in the plurality of circuit boards and is stored in the memory. Predetermined data is transmitted from another circuit board that has completed the writing process. Next, the received predetermined data is written in a memory included in a circuit unit in at least one circuit board. Then, after predetermined data is written in a memory included in a circuit unit in at least one circuit board, all or part of the predetermined data is included in a plurality of circuit boards and data is written into the memory. Send to other circuit boards that are not.
  • the collective circuit board according to the first aspect of the present invention includes a plurality of circuit boards each including a memory unit capable of writing data and each having a circuit unit capable of communicating with the outside. Then, the circuit unit receives predetermined data transmitted from the outside or another circuit board that is included in the plurality of circuit boards and that has finished writing data to the memory, and the received predetermined data After the data is written in the memory, all or a part of the received predetermined data is transmitted to another circuit board that is included in the plurality of circuit boards and that has not been subjected to data writing processing to the memory.
  • the circuit board according to the first aspect of the present invention includes a memory unit that can write data and a circuit unit that can communicate with the outside.
  • the circuit unit receives predetermined data transmitted from the outside, and after the received predetermined data is written in the memory, all or part of the received predetermined data is written into the memory. Is transmitted to a circuit unit in another circuit board that is not performed.
  • the collective circuit board stores a plurality of circuit boards each having a circuit unit including a memory capable of writing data, and data to be written to the memory.
  • Data writing that writes data stored in the memory device to the memory device, wiring that electrically connects the circuit unit in each circuit board and the memory device, and data that is electrically connected to the memory device and the wiring.
  • the data writing method is a data writing method for writing data to a memory in each circuit unit in an aggregate circuit board provided with a plurality of circuit boards having a circuit unit including a memory capable of writing data.
  • the method is performed by the following procedure. First, a data writing unit provided on the collective circuit board and electrically connected to the memory is provided on the collective circuit board, and a storage device electrically connected to the data writing unit and storing data to be written to the memory Get data from. Next, the data writing unit writes the acquired data into the memory.
  • a data writing system is a wireless communication unit capable of receiving data including an initial program by wireless communication, a memory capable of writing data, and data in the memory.
  • a plurality of circuit boards each including a circuit unit including a data writing unit to be written, and a data transmission device that transmits data to the plurality of circuit boards by wireless communication in a circuit board manufacturing process.
  • a data writing method includes a plurality of circuit boards each having a circuit unit including a memory capable of writing data, and a data transmission device that transmits data to the plurality of circuit boards.
  • the production efficiency of the circuit board can be further improved.
  • a data storage device in which data to be written in a memory in a circuit section provided in each circuit board is stored in the collective circuit board, and data is written in the memory in the circuit section Is provided. Therefore, according to the second aspect of the present invention, it is possible to improve the work efficiency of data writing processing to a plurality of circuit boards in the collective circuit board, and to further improve the production efficiency of the circuit boards. .
  • data including an initial program is transmitted from a data transmission device (external) to a plurality of circuit boards by wireless communication.
  • a data transmission device external
  • the production efficiency of the circuit board can be further improved.
  • FIG. 1 is a schematic configuration diagram for explaining the basic concept of the data writing system according to the first aspect of the present invention.
  • FIG. 2 is a flowchart showing a procedure of data writing processing to a plurality of circuit boards by the data writing system according to the first aspect of the present invention.
  • FIG. 3 is a diagram showing the configuration of the data writing system and the state of the data writing operation according to the first embodiment of the present invention.
  • FIG. 4 is a block diagram of the circuit board according to the first embodiment of the present invention.
  • FIG. 5 is a diagram showing a configuration of a data writing system and a state of data writing operation according to the second embodiment of the present invention.
  • FIG. 6 is a block diagram of a circuit board according to the second embodiment of the present invention.
  • FIG. 1 is a schematic configuration diagram for explaining the basic concept of the data writing system according to the first aspect of the present invention.
  • FIG. 2 is a flowchart showing a procedure of data writing processing to a plurality of circuit boards by the data writing
  • FIG. 7 is a diagram showing a configuration of a data writing system and a state of data writing operation according to the third embodiment of the present invention.
  • FIG. 8 is a diagram illustrating the configuration of the data writing system according to the first modification and the state of the data writing operation.
  • FIG. 9 is a schematic configuration diagram of an aggregate circuit board according to the fourth embodiment of the present invention.
  • FIG. 10 is an internal block configuration diagram of a circuit board, a data writing device, and a storage device provided in the collective circuit board according to the fourth embodiment of the present invention.
  • FIG. 11 is a flowchart showing a procedure of data write processing in the collective circuit board according to the fourth embodiment of the present invention.
  • FIG. 12 is a schematic configuration diagram of an aggregate circuit board according to the fifth embodiment of the present invention.
  • FIG. 13 is an internal block configuration diagram of a circuit board and a storage device provided in the collective circuit board according to the fifth embodiment of the present invention.
  • FIG. 14 is a flowchart showing a procedure of data write processing in the collective circuit board according to the fifth embodiment of the present invention.
  • FIG. 15 is a diagram for explaining the outline of the configuration and operation of the data writing system according to the sixth embodiment of the present invention.
  • FIG. 16 is a block diagram of a data writing device in the data writing system according to the sixth embodiment of the present invention.
  • FIG. 17 is a block diagram of a circuit board in the data writing system according to the sixth embodiment of the present invention.
  • FIG. 18 is a diagram showing a data write operation example 1 to a plurality of circuit boards by the data write system according to the sixth embodiment of the present invention.
  • FIG. 19 is a diagram showing a data write operation example 2 to a plurality of circuit boards by the data write system according to the sixth embodiment of the present invention.
  • 20A and 20B are diagrams showing a third example of data writing operation to a plurality of circuit boards by the data writing system according to the sixth embodiment of the present invention.
  • FIG. 21 is a flowchart showing a procedure of data writing processing to a plurality of circuit boards by the data writing system according to the sixth embodiment of the present invention.
  • FIG. 22 is a schematic configuration diagram of a data writing system according to the tenth modification.
  • the circuit board manufacturing process is divided into two processes, a so-called physical process and a logical process.
  • a process of programming firmware for a product or the like is performed on a storage device (memory) included in an electronic component mounted on a circuit board.
  • a program such as product firmware is written in a memory in each circuit board separated from the collective circuit board using a data writing device with a jig.
  • the data writing device is attached to the circuit board via a jig, and then a program is transmitted from the data writing device to the circuit board, and the program is written to a memory in the circuit board.
  • a data writing system capable of further improving the work efficiency of data writing processing to a plurality of circuit boards in a programming process such as product firmware.
  • a data writing method, a collective circuit board and a circuit board are proposed.
  • FIG. 1 is a basic conceptual schematic configuration diagram of the data writing system according to the first aspect of the present invention.
  • the data writing system 1 includes a circuit board group 2 including a plurality of circuit boards, and a data writing device 3 (data transmission device).
  • the plurality of circuit boards may be provided on a single collective circuit board as in various embodiments described later.
  • each circuit board The substrate may be provided separately.
  • FIG. 1 shows an example in which the circuit board group 2 is composed of eight circuit boards 11 to 18 (hereinafter referred to as the first circuit board 11 to the eighth circuit board 18 respectively), but the present invention is not limited to this.
  • the number of circuit boards in the circuit board group 2 can be set arbitrarily.
  • each circuit board includes a circuit unit having a memory in which various data such as various programs such as product firmware, identification ID, individual information, and commands can be written (described later). 4 and 6) are provided.
  • the circuit unit in each circuit board communicates with the circuit unit provided on the other circuit board (see the broken line arrow in FIG. 1), and transmits various data to the circuit unit in the other circuit board.
  • the data communication form between the circuit boards may be wireless communication or wired communication.
  • a wireless transmission / reception function is provided in a circuit portion in each circuit board.
  • communication wiring for connecting the circuit boards together with the first circuit board 11 to the eighth circuit board 18 is provided, for example, on one collective circuit board.
  • a CPU Central Processing Unit
  • the data writing device 3 communicates with a circuit unit provided on at least one circuit board in the circuit board group 2 (see thick solid arrows in FIG. 1), and various data (including various programs (including product firmware). ), An identification ID, individual information, a command, etc.).
  • predetermined data is written to the memory in each circuit board while the data is propagated by communication between the circuit boards.
  • a program for executing a series of processing including data reception processing, data writing processing, and data transmission processing to other circuit boards, performed in each circuit board, For example, it may be included in various data transmitted from the data writing device 3 to a predetermined circuit board, or may be preinstalled in a memory in each circuit board.
  • the data communication form between the data writing device 3 and the predetermined circuit board may be wireless communication or wired communication.
  • the data writing device 3 is provided with a wireless transmission function.
  • the data writing device 3 can be attached to a predetermined circuit board (first circuit board 11 in the example shown in FIG. 1), and wired communication with the predetermined circuit board can be performed at the time of attachment.
  • a dedicated jig or the like having such a configuration is provided in the data writing device 3.
  • the data writing device 3 has a CPU, and the CPU controls various operations such as a data transmission operation performed by the data writing device 3.
  • the power for driving electronic components such as CPUs and memories in the data writing device 3 and each circuit board is supplied to the data writing system. 1 is supplied.
  • FIG. 1 is an example of operation, and the data write operation to the plurality of circuit boards by the data write system 1 is not limited to the example shown in FIG.
  • the data writing device 3 communicates with a circuit section (described later, see FIG. 4) provided on the first circuit board 11 in the circuit board group 2, Various data (various programs, identification ID, individual information, commands, etc.) are transmitted to the circuit unit.
  • the CPU (data writing unit) in the circuit unit provided on the first circuit board 11 writes the received various data in the memory in its own circuit unit.
  • the CPU of the circuit unit in the first circuit board 11 transmits all or part of the data received from the data writing device 3 to the circuit unit provided on the second circuit board 12.
  • the data content (data type) transmitted / received between the circuit boards can be changed as appropriate according to, for example, the capacity of the memory in the circuit boards. For example, when the capacity of the memory in each circuit board is sufficiently large, all the data received from the data writing device 3 may be transmitted and received between the circuit boards and all the data may be written in the memory in each circuit board. Further, for example, when the capacity of the memory in the circuit board of the transmission destination is not large, data other than data necessary only for the circuit board of the transmission source may be transmitted to the circuit board of the transmission destination.
  • the CPU of the circuit unit in the second circuit board 12 writes the received data to the memory in its own circuit unit. Thereafter, the CPU of the circuit unit in the second circuit board 12 transmits all or part of the data received from the first circuit board 11 to the circuit unit provided on the third circuit board 13. Next, the CPU of the circuit unit in the third circuit board 13 writes the received data to the memory in its own circuit unit. Thereafter, the CPU of the circuit unit in the third circuit board 13 transmits all or a part of the data received from the second circuit board 12 to the circuit unit provided on the fourth circuit board 14. Then, the CPU of the circuit unit in the fourth circuit board 14 writes the received data in the memory in its own circuit unit.
  • the CPU of the circuit unit in the first circuit board 11 transmits all or part of various data received from the data writing apparatus 3 to the second circuit board 12, and then the data writing apparatus. All or a part of the various data received from 3 is transmitted to the circuit unit provided on the eighth circuit board 18.
  • the CPU of the circuit unit in the eighth circuit board 18 writes the received data in the memory in its own circuit unit. Thereafter, the CPU of the circuit unit in the eighth circuit board 18 transmits all or part of the data received from the first circuit board 11 to the circuit unit provided on the seventh circuit board 17. Next, the CPU of the circuit unit in the seventh circuit board 17 writes the received data to the memory in its circuit unit. Thereafter, the CPU of the circuit unit in the seventh circuit board 17 transmits all or a part of the data received from the eighth circuit board 18 to the circuit unit provided on the sixth circuit board 16.
  • the CPU of the circuit unit in the sixth circuit board 16 writes the received data to the memory in its own circuit unit. Thereafter, the CPU of the circuit unit in the sixth circuit board 16 transmits all or part of the data received from the seventh circuit board 17 to the circuit unit provided on the fifth circuit board 15. Then, the CPU of the circuit unit in the fifth circuit board 15 writes the received data to the memory in its own circuit unit.
  • predetermined data corresponding to the memories of all the circuit boards in the circuit board group 2 is written by the data writing process to the fifth circuit board 15.
  • the data writing operation to the circuit board is completed.
  • the order of circuit boards in which data is written (propagated) may be set in advance.
  • the CPU in the circuit board as the transmission source transmits the data to a predetermined circuit board with reference to a table that defines the writing order included in the received data, for example.
  • the CPU in the source circuit board searches for a circuit board to which data has not been written and detects a circuit board to which data has not been written. Then, the data may be transmitted to the circuit board in which the data is not written.
  • the circuit board search order can be arbitrarily set. For example, the circuit boards may be sequentially searched from the circuit board located near the transmission source circuit board.
  • the present invention is not limited to this, and, for example, in the circuit board group 2, the propagation path of the data writing process may be a serial path only (first and second described later).
  • the embodiment may be configured to include only parallel paths (see a third embodiment described later).
  • the data writing device 3 when the data writing device 3 collectively sends various data that needs to be written to each circuit board to a predetermined circuit board in the circuit board group 2, In each circuit board, data reception processing, data writing processing, and data transmission processing to other circuit boards are repeated. As a result, predetermined data corresponding to the memories of all the circuit boards in the circuit board group 2 is written. That is, according to the first aspect of the present invention, once various data is transmitted to a predetermined circuit board in the circuit board group 2 by the data writing device 3, the data is then transmitted between the circuit boards by communication. However, the data is written in the memory in each circuit board, and finally, the corresponding predetermined data is written in the memories in all the circuit boards.
  • FIG. 2 is a flowchart showing a procedure of data writing processing to a plurality of circuit boards by the data writing system 1 performed in a circuit board manufacturing process (programming process).
  • a state (communication connection state) in which communication is possible between the data writing device 3 and the first circuit board 11 in the circuit board group 2 is generated (step S1).
  • the communication mode between the data writing device 3 and the first circuit board 11 is wired communication
  • the data writing device 3 is attached to the first circuit board 11 via a dedicated jig in step S1.
  • the communication mode between the data writing device 3 and the first circuit board 11 is wireless communication
  • the data writing device 3 is disposed at a position where the data writing device 3 can wirelessly communicate with the first circuit board 11 in step S1.
  • the data writing device 3 transmits various data (various programs, identification ID, individual information, commands, etc.) to the circuit unit provided on the first circuit board 11 by wired communication or wireless communication (step S2). .
  • the CPU in the circuit unit provided on the first circuit board 11 receives various data from the data writing device 3, and based on the write request command included in the received various data, the received various data Write to the memory in its own circuit unit (step S3).
  • step S3 after various data is transmitted from the data writing device 3 to the first circuit board 11, the communication connection between the data writing device 3 and the first circuit board 11 may be released. After various data is transmitted from the data writing device 3 to the first circuit board 11, even if the communication connection between the data writing device 3 and the first circuit board 11 is released, all or part of the various data is a circuit board group. 2 and the predetermined data is written in the memory in each circuit board.
  • step S4 After the data writing process to the memory in the first circuit board 11 is completed in step S3, or after the data writing process to the memory in the predetermined circuit board in which data is not written in step S6 described later.
  • the data writing system 1 performs a process for determining whether or not there is a circuit board in which no data is written in the circuit board group 2 (step S4).
  • the form of the determination process in step S4 varies depending on the form of the propagation path of the data writing process between the circuit boards in the circuit board group 2.
  • step S4 the CPU in the circuit unit provided in the circuit board on which the data writing process has been performed in the process (step S3 or step S6) performs a process for determining whether or not there is a circuit board on which no data has been written.
  • step S4 each of the CPUs in all the circuit boards that have been processed performs a determination process for determining whether there is a circuit board in which no data has been written.
  • the form of the propagation path of the data writing process between the circuit boards in the circuit board group 2 is a form in which a serial propagation path and a parallel propagation path are mixed (see FIG. 1).
  • the CPU in the circuit board in which data transmission can be executed through the serial path and the data writing process has been performed in the immediately preceding data writing process (step S3 or step S6), and the data transmission through the parallel path
  • step S4 the CPUs in all the circuit boards that can be executed and have completed the data writing process at this time perform in parallel the determination process for the presence or absence of the circuit board in which no data has been written.
  • step S4 when it is determined by the data writing system 1 that there is a circuit board in which no data has been written in the circuit board group 2 (when step S4 is YES), each circuit board that can be a data transmission source.
  • the CPU in the circuit unit provided in (1) transmits all or a part of the received various data to the circuit unit provided on the predetermined circuit board in which no data is written by wired communication or wireless communication (step S5).
  • the form of the data transmission process in step S5 also changes according to the form of the propagation path of the data write process between the circuit boards in the circuit board group 2.
  • step S3 or step S6 when the form of the propagation path of the data writing process between the circuit boards in the circuit board group 2 is only a serial path (see first and second embodiments described later), the immediately preceding data writing is performed.
  • the data writing is performed at this time.
  • Each of the CPUs in all the circuit boards that have been processed performs the data transmission process in step S5 in parallel.
  • step S3 or step S6 Data transmission can be executed by a general path, and the CPU in the circuit board on which the data writing process has been performed in the immediately preceding data writing step (step S3 or step S6), and data transmission can be performed by a parallel path
  • step S3 or step S6 data transmission can be performed by a parallel path
  • each of the CPUs in all the circuit boards that have completed the data writing process at this time performs the data transmission process in step S5 in parallel.
  • step S6 the CPU in the circuit unit provided on the predetermined circuit board in which no data is written writes the received data into the memory in its own circuit unit by wired communication or wireless communication. Then, after the data writing process to the memory in the circuit unit provided on the predetermined circuit board is completed, the CPU in the predetermined circuit board returns the process to the process of step S4.
  • the form of the data writing process in step S6 also changes according to the form of the propagation path of the data writing process between the circuit boards in the circuit board group 2.
  • the data in step S5 The number of circuit boards (data transmission source circuit boards) that perform transmission processing is one. Therefore, in this case, the number of CPUs that perform the data writing process in step S6 is one.
  • the data transmission in step S5 The number of circuit boards (data transmission source circuit boards) to be processed is one or more. Therefore, in this case, the number of CPUs that perform data write processing in step S6 is one or more. In the latter case, the data writing process of step S6 is performed in parallel in a plurality of CPUs.
  • the form of the propagation path of the data writing process between the circuit boards in the circuit board group 2 is a form in which a serial path and a parallel path are mixed (see FIG. 1)
  • a step is performed.
  • the number of circuit boards (data transmission source circuit boards) that perform the data transmission processing of S5 is one or more. Therefore, in this case, the number of CPUs that perform data write processing in step S6 is one or more. In the latter case, the data writing process of step S6 is performed in parallel in a plurality of CPUs.
  • step S6 After the processing in step S6, the processing in steps S4 to S6 is repeated until NO is determined in step S4 (until the data writing processing is completed for all circuit boards).
  • data is written into the memory in each circuit board while being propagated by communication between the circuit boards by repeating the steps S4 to S6.
  • step S4 when the data writing system 1 determines that there is no circuit board in which no data is written in the circuit board group 2 (when step S4 is NO), the data writing system 1 End the process.
  • data writing processing is performed on all circuit boards in the circuit board group 2 as described above.
  • a series of processes including data reception processing, data writing processing, and data transmission processing to other circuit boards performed on each circuit board in the circuit board group 2 described above.
  • various data transmitted from the data writing device 3 for example, the CPU in the circuit unit provided on each circuit board
  • the above-described various processes are performed by extracting and executing a data propagation write processing program from the received data.
  • the data propagation write processing program is preinstalled in the memory in the circuit unit provided in each circuit board
  • the CPU in each circuit unit for example, writes a write request command or power included in the received data.
  • the preinstalled data propagation write processing program is activated to perform the various processes described above.
  • the writing efficiency to the circuit board per one data writing device can be improved, and the work of the programming process for the circuit board is possible. Efficiency can be improved. As a result, the production efficiency of the circuit board can be further improved.
  • FIG. 3 is a diagram showing a schematic configuration of the data writing system of the present embodiment and the state of the data writing operation.
  • the data writing system 20 includes a collective circuit board 21 and a data writing device 22 as shown in FIG.
  • the collective circuit board 21 is provided with eight circuit boards 31 to 38 (hereinafter referred to as the first circuit board 31 to the eighth circuit board 38, respectively). In the present embodiment, an example in which eight circuit boards are provided on the collective circuit board 21 is shown, but the present invention is not limited to this.
  • the number of circuit boards provided on the collective circuit board 21 is appropriately set according to conditions such as the size of the collective circuit board 21 and the size of each circuit board.
  • FIG. 3 shows an example in which the first circuit board 31 to the eighth circuit board 38 are arranged on the collective circuit board 21 in a 2 (vertical) ⁇ 4 (horizontal) arrangement form. It is not limited.
  • the arrangement form of the plurality of circuit boards is appropriately set according to conditions such as the size and shape of the collective circuit board 21 and the size and shape of each circuit board.
  • the first circuit board 31 to the eighth circuit board 38 are arranged on the collective circuit board 21 so as to be separated from each other by a predetermined distance.
  • a wiring pattern such as an inspection wiring, an alignment mark, a margin area between the circuit boards, and the like Is provided. That is, the area 21a in the collective circuit board 21 is a part that is finally discarded after the circuit boards are separated from the collective circuit board 21. Therefore, hereinafter, the region 21a in the collective circuit board 21 is referred to as a “throwing board portion”.
  • a write wiring 39 (wiring) is provided in the area of the discarded substrate portion 21a between the formation area of the first circuit board 31 to the fourth circuit board 34 and the formation area of the fifth circuit board 35 to the eighth circuit board 38.
  • the first circuit board 31 to the eighth circuit board 38 have the same configuration.
  • the configuration of each circuit board will be described in detail later with reference to FIG. 4 described later.
  • the write wiring 39 is provided in common for the first circuit board 31 to the eighth circuit board 38. Note that the first circuit board 31 to the eighth circuit board 38 are connected in parallel to the write wiring 39 as shown in FIG. At this time, a CPU, which will be described later, in the circuit portion provided on each circuit board is connected to the write wiring 39 via a wiring including a connector, which will be described later, provided in each circuit board. In the data writing system 20 of the present embodiment, data transmission / reception between circuit boards in the collective circuit board 21 is performed by wire communication via the write wiring 39. When each circuit board is separated from the collective circuit board 21, the write wiring 39 is also separated from each circuit board (remains in the discarded board portion 21a).
  • the data writing device 22 communicates with a circuit unit provided on at least one circuit board in the collective circuit board 21 and transmits various data (various programs, identification ID, individual information, commands, etc.) to the circuit unit. Has the function of In the example illustrated in FIG. 3, the data writing device 22 transmits various data to the circuit unit in the first circuit board 31.
  • the various programs transmitted from the data writing device 22 include programs that need to be stored in the memory in the circuit board in advance before shipment (manufacturing stage) of the circuit board, such as product firmware. (Hereinafter referred to as the initial program).
  • the various programs also include an inspection program for executing a radio wave output inspection of the circuit unit (electronic component) in the circuit board manufacturing process. Further, when the above-described data propagation write processing program is not preinstalled in the memory in each circuit board, the data propagation write processing program is included in the various programs transmitted from the data writing device 22.
  • the data writing device 22 transmits various data to the first circuit board 31 in the collective circuit board 21 by wireless communication or wired communication.
  • the data writing device 22 is provided with a data wireless communication function, and the data writing device 22 includes the data writing device 22 and the first circuit board 31.
  • the circuit board 31 is disposed at a position where wireless communication is possible.
  • the data writing device 22 is provided with a dedicated jig (not shown), and the data writing device 22 is connected via the dedicated jig. Are attached to the collective circuit board 21.
  • FIG. 4 is a block diagram of the first circuit board 31.
  • the first circuit board 31 includes a circuit board body 40, and a circuit unit 41 and a connector 42 provided on the circuit board body 40.
  • the circuit unit 41 includes a function unit 43, a memory 44, and a CPU 45.
  • the CPU 45 is electrically connected to the function unit 43 and the memory 44.
  • the CPU 45 is electrically connected to the connector 42, and the connector 42 is electrically connected to the write wiring 39 (not shown). That is, the CPU 45 is connected to the write wiring 39 through the connector 42.
  • the functional unit 43 is a circuit for realizing a predetermined function performed by the first circuit board 31 (circuit unit 41).
  • the memory 44 stores various programs, identification IDs, and individual IDs necessary for executing predetermined functions on the first circuit board 31 (circuit unit 41) by the data writing operation of the data writing system 20 in the circuit board manufacturing process. Various data such as information and commands are stored.
  • the memory 44 also stores the above-described data propagation write processing program, but this program may be included in various programs transmitted from the data write device 22 or preinstalled in the memory 44 in advance. May be.
  • this program may be included in various programs transmitted from the data write device 22 or preinstalled in the memory 44 in advance. May be.
  • a table that defines the order of data writing for example, information for designating circuit boards (a serial number previously written in the memory 44) Etc.) and the table in which the correspondence relationship between the writing order is defined is also stored in the memory 44.
  • the table that defines the data writing order may be included in various data transmitted from the data writing device 22 or may be preinstalled in the memory 44, for example.
  • a method for setting unique information such as identification ID for each circuit board
  • a list (table) that defines the correspondence between the unique information and the circuit board is included in the data propagated between the circuit boards.
  • a method of assigning unique information to each circuit board based on the list may be used.
  • the unique information is changed for each data writing process to the circuit board (for example, a predetermined value is added to the identification ID number). )
  • a method of assigning different unique information for each circuit board may be used.
  • the CPU 45 is an arithmetic processing unit for controlling all the various operations executed on the first circuit board 31 (circuit unit 41). Therefore, the CPU 45 controls the operation of the functional unit 43 and the data input / output operation (including the data writing operation to the memory 44 in the circuit board manufacturing process).
  • the data writing device 22 when the communication mode between the data writing device 22 and the first circuit board 31 is wired communication, the data writing device 22 is attached to the collective circuit board 21 via a dedicated jig. When this is done, communication wiring for connecting the data writing device 22 and the CPU 45 in the first circuit board 31 is provided in the circuit board body 40. Further, in the example shown in FIG. 3, it is sufficient that the communication wiring is provided at least on the first circuit board 31, but it may also be provided on the second circuit board 32 to the eighth circuit board 38. In the example shown in FIG. 4, the CPU 45 is electrically connected to the write wiring 39 via the connector 42, but the wiring extended from the write wiring 39 is directly connected to the CPU 45 without using the connector 42. May be. Although not shown in FIG. 4, when the communication mode between the data writing device 22 and the first circuit board 31 is wireless communication, the circuit unit 41 provided on the first circuit board 31 has a wireless communication function. Is provided.
  • the data writing device 22 performs wireless communication or wired communication with the circuit unit 41 in the first circuit board 31 to perform various data (various programs, identification ID, individual ID). Information, command, etc.) are transmitted to the circuit unit 41 (see arrow [1] in FIG. 3).
  • the CPU 45 in the circuit unit 41 provided on the first circuit board 31 writes various data received from the data writing device 22 in the memory 44 in its own circuit unit 41.
  • the CPU 45 in the first circuit board 31 transmits all or part of the data received from the data writing device 22 to the circuit unit provided on the second circuit board 32 via the write wiring 39 ( (See arrow [2] in FIG. 3).
  • the CPU in the circuit unit provided on the second circuit board 32 writes the data received from the first circuit board 31 via the write wiring 39 to the memory in its own circuit unit.
  • the CPU in the second circuit board 32 transmits all or part of the data received from the first circuit board 31 to the circuit unit provided in the third circuit board 33 via the write wiring 39. (See arrow [3] in FIG. 3).
  • the CPU in the circuit section provided on the eighth circuit board 38 writes the data received from the seventh circuit board 37 via the write wiring 39 to the memory in its own circuit section. Thereby, the corresponding predetermined data is written in the memories in the circuit units provided on all the circuit boards in the collective circuit board 21, and the data writing operation in the data writing system 20 is completed.
  • the CPU of the circuit board as the transmission source for example, A table that defines the order in which data stored in the memory in its own circuit unit is written, and information that specifies the destination circuit board (the serial number recorded in advance in the memory in the circuit unit provided on the destination circuit board) Etc.) to search for a circuit board to which data is next written.
  • the CPU in the circuit board of the transmission source is connected to the circuit part in the detected circuit board. Send data.
  • the order of the circuit boards to which data is written (propagated) is not set in advance, and a circuit board in which no data is written is searched.
  • a CPU in a circuit board as a transmission source accesses a memory in a circuit unit provided in another circuit board to determine whether data has not been written. Then, the CPU in the source circuit board transmits the data to a predetermined circuit board that has been determined that the data has not been written. At this time, the CPU in the circuit board as the transmission source may transmit data to the circuit board in which data is not yet written, which is first detected in the search process.
  • the CPU in the transmission circuit board searches all other circuit boards, and then selects a predetermined data unwritten circuit board from the plurality of detected data unwritten circuit boards.
  • the data may be transmitted to the selected circuit board on which the predetermined data is not written.
  • the search order of the circuit boards in which data is not written can be arbitrarily set. For example, the search may be made sequentially from the circuit boards that are located near the transmission source circuit board.
  • data writing processing can be performed on a plurality of circuit boards according to the procedure described in the flowchart shown in FIG.
  • the data writing system 20 and the data writing method according to the present embodiment if data is transmitted from the data writing device 22 to a predetermined circuit board in the collective circuit board 21, then data is transferred between the circuit boards. Is transmitted to the memory in the circuit unit provided on each circuit board while propagating by wired communication, and finally the corresponding predetermined data is written to the memories in all the circuit boards. Therefore, in this embodiment, it is the same as the various effects described in the description of the data writing system 1 and its data writing method shown in FIGS. 1 and 2 (description of the basic concept of the first aspect of the present invention). The effect is obtained.
  • FIG. 5 is a diagram showing a schematic configuration of the data writing system of the present embodiment and the state of the data writing operation.
  • the data writing system 50 includes a collective circuit board 51 and a data writing device 52 as shown in FIG.
  • the collective circuit board 51 is provided with eight circuit boards 61 to 68 (hereinafter referred to as first circuit board 61 to eighth circuit board 68, respectively). In the present embodiment, an example in which eight circuit boards are provided on the collective circuit board 51 is shown, but the present invention is not limited to this.
  • the number of circuit boards provided on the collective circuit board 51 is appropriately set according to conditions such as the size of the collective circuit board 51 and the size of each circuit board, for example.
  • FIG. 5 shows an example in which the first circuit board 61 to the eighth circuit board 68 are arranged on the collective circuit board 51 in a 2 (vertical) ⁇ 4 (horizontal) arrangement form. It is not limited.
  • the arrangement form of the plurality of circuit boards is appropriately set according to conditions such as the size and shape of the collective circuit board 51 and the size and shape of each circuit board.
  • the first circuit board 61 to the eighth circuit board 68 are arranged on the collective circuit board 51 so as to be separated from each other by a predetermined distance. Therefore, the discarded board portions 51 a are formed between the circuit boards in the collective circuit board 51 and at the outer peripheral end of the collective circuit board 51.
  • the first circuit board 61 to the eighth circuit board 68 have the same configuration. The configuration of each circuit board will be described in detail later with reference to FIG.
  • the data writing device 52 communicates with a circuit unit provided on at least one circuit board in the collective circuit board 51 to transmit various data (various programs, identification ID, individual information, commands, etc.) to the circuit unit. Has the function of In the example shown in FIG. 5, the data writing device 52 transmits various data to the circuit unit in the first circuit board 61.
  • the various programs transmitted from the data writing device 52 include an initial program such as product firmware, as in the first embodiment.
  • the data propagation write processing program is added to various programs transmitted from the data writing device 52. Is also included.
  • the data writing device 52 transmits various data to the first circuit board 61 in the collective circuit board 51 by wireless communication or wired communication.
  • the data writing device 52 is provided with a data wireless transmission function, and the data writing device 52 includes the data writing device 52 and the first circuit board 61.
  • the circuit boards 61 are arranged at positions where wireless communication is possible.
  • the data writing device 52 is provided with a dedicated jig (not shown), and the data writing device 52 is connected via the dedicated jig. Are attached to the collective circuit board 51.
  • FIG. 6 is a block configuration diagram of the first circuit board 61.
  • the first circuit board 61 includes a circuit board main body 70 and a circuit unit 71 provided on the circuit board main body 70.
  • the circuit unit 71 includes a function unit 72, a memory 73, a wireless communication unit 74, and a CPU 75.
  • the CPU 75 is electrically connected to the function unit 72, the memory 73, and the wireless communication unit 74.
  • the functional unit 72 and the memory 73 included in the circuit unit 71 of the present embodiment are the same as the functional unit 43 and the memory 44 (see FIG. 4) included in the circuit unit 41 in each circuit board of the first embodiment. Since the configuration is similar, the description of these configurations is omitted here.
  • the wireless communication unit 74 includes a communication circuit including an IC (Integrated Circuit), an antenna, and the like, and has a function capable of wireless communication with other circuit boards. Specifically, the wireless communication unit 74 has a function of transmitting data to another circuit board.
  • a short-range communication method such as BLE (Bluetooth (registered trademark) Low Energy), WiFi (registered trademark), or the like can be used as a communication method of the wireless communication unit 74.
  • the wireless communication unit 74 has a function capable of wireless communication with the data writing device 52 when the communication form between the data writing device 52 and the first circuit board 61 is wireless communication. Specifically, the wireless communication unit 74 has a function of receiving data from the data writing device 52.
  • the data writing device 52 is attached when the data writing device 52 is attached to the collective circuit board 51 via a dedicated jig.
  • Communication wiring (not shown) for connecting the CPU 75 in the first circuit board 61 to the circuit board main body 70 is provided. Further, in the example shown in FIG. 5, it is sufficient that the communication wiring is provided at least on the first circuit board 61, but it may be provided also on the second circuit board 62 to the eighth circuit board 68.
  • Each of the second circuit board 62 to the seventh circuit board 67 provided in the collective circuit board 51 receives data from other circuit boards and transmits the received data to another circuit board.
  • the wireless communication unit in the circuit unit provided on these circuit boards is provided with both a data reception function and a transmission function. Furthermore, the wireless communication unit of the circuit unit provided in the eighth circuit board 68 to which data is finally written may be provided with a function of receiving at least data from another circuit board.
  • the CPU 75 is an arithmetic processing unit for controlling various operations performed in the first circuit board 61 (circuit unit 71). Therefore, the CPU 75 controls the operation of the functional unit 72, the data input / output operation for the memory 73 (including the data writing operation to the memory 73 in the circuit board manufacturing process), and the communication operation of the wireless communication unit 74.
  • the CPU 75 controls the operation of the functional unit 72, the data input / output operation for the memory 73 (including the data writing operation to the memory 73 in the circuit board manufacturing process), and the communication operation of the wireless communication unit 74.
  • the data writing device 52 performs wireless communication or wired communication with the circuit unit 71 provided on the first circuit board 61 to perform various data (various programs, identification ID). , Individual information, commands, etc.) are transmitted to the circuit unit 71 (see arrow [1] in FIG. 5).
  • the CPU 75 in the circuit unit 71 provided on the first circuit board 61 writes various data received from the data writing device 52 in the memory 73 in its own circuit unit 71.
  • the CPU 75 in the first circuit board 61 provides all or part of the data received from the data writing device 52 to the second circuit board 62 via the wireless communication unit 74 in its circuit unit 71. (See arrow [2] in FIG. 5).
  • the CPU in the circuit unit provided on the second circuit board 62 writes the data received from the first circuit board 61 via the wireless communication unit in the circuit unit in the memory in the circuit unit.
  • the CPU in the second circuit board 62 receives all or a part of the data received from the first circuit board 61 via the wireless control unit in its circuit unit, and is a circuit provided in the third circuit board 63. (See arrow [3] in FIG. 5).
  • the CPU in the circuit unit provided on the eighth circuit board 68 writes the data received from the seventh circuit board 67 via the wireless communication unit in its circuit unit to the memory in its circuit unit. Thereby, the corresponding predetermined data is written in the memories in the circuit units provided on all the circuit boards in the collective circuit board 51, and the data writing operation in the data writing system 50 is completed.
  • the CPU of the original circuit board includes, for example, a table that defines the writing order of data stored in a memory in its own circuit unit, and information that specifies a destination circuit board (a circuit provided on the destination circuit board) A circuit board to which data is next written is searched with reference to a serial number or the like recorded in advance in the memory in the unit. As a result of the search, when the circuit board to be written next data specified in the table is detected, the CPU in the circuit board of the transmission source is connected to the circuit part in the detected circuit board. Send data.
  • the order of the circuit boards to which data is written (propagated) is not set in advance, and a circuit board to which data has not been written is searched.
  • the CPU in the source circuit board accesses the memory in the circuit unit provided in the other circuit board, and the data is not yet written. It is determined whether or not. Then, the CPU in the source circuit board transmits the data to a predetermined circuit board that has been determined that the data has not been written. At this time, the CPU in the circuit board as the transmission source may transmit data to the circuit board in which data is not yet written, which is first detected in the search process.
  • the CPU in the transmission circuit board searches all other circuit boards, and then selects a predetermined data unwritten circuit board from the plurality of detected data unwritten circuit boards.
  • the data may be transmitted to the selected circuit board on which the predetermined data is not written.
  • the search order of the circuit boards in which data is not written can be arbitrarily set. For example, the search may be made sequentially from the circuit boards that are located near the transmission source circuit board.
  • data writing processing can be performed on a plurality of circuit boards according to the procedure described in the flowchart shown in FIG.
  • the data writing system 50 and the data writing method according to the present embodiment if data is transmitted from the data writing device 52 to a predetermined circuit board in the collective circuit board 51, then data is transferred between the circuit boards. Is transmitted to the memories in the circuit units provided on the respective circuit boards while propagating by wireless communication, and finally, the corresponding predetermined data is written to the memories in all the circuit boards. Therefore, in this embodiment, it is the same as the various effects described in the description of the data writing system 1 and its data writing method shown in FIGS. 1 and 2 (description of the basic concept of the first aspect of the present invention). The effect is obtained.
  • FIG. 7 is a diagram showing a schematic configuration of the data writing system of this embodiment and the state of the data writing operation.
  • the data writing system 80 includes a collective circuit board 81 and a data writing device 82 as shown in FIG.
  • the collective circuit board 81 is provided with eight circuit boards 91 to 98 (hereinafter referred to as first circuit board 91 to eighth circuit board 98, respectively). In this embodiment, an example in which eight circuit boards are provided on the collective circuit board 81 is shown, but the present invention is not limited to this.
  • the number of circuit boards provided on the collective circuit board 81 is appropriately set according to conditions such as the size of the collective circuit board 81 and the size of each circuit board.
  • FIG. 7 shows an example in which the first circuit board 91 to the eighth circuit board 98 are arranged on the collective circuit board 81 in a 2 (vertical) ⁇ 4 (horizontal) arrangement, but the present invention is not limited thereto. It is not limited.
  • the arrangement form of the plurality of circuit boards is appropriately set according to conditions such as the size and shape of the collective circuit board 81 and the size and shape of each circuit board.
  • the first circuit board 91 to the eighth circuit board 98 are arranged on the collective circuit board 81 so as to be separated from each other by a predetermined distance. Therefore, a discarded board portion 81 a is formed between the circuit boards in the collective circuit board 81 and at the outer peripheral end of the collective circuit board 81.
  • the configuration of the collective circuit board 81 (first circuit board 91 to eighth circuit board 98) and the data writing device 82 of the present embodiment is the same as that of the collective circuit board 51 (first circuit board 61 to The configurations of the eighth circuit board 68) and the data writing device 52 are the same. Therefore, the description about these structures is abbreviate
  • the data writing device 82 communicates with a circuit unit provided on the seventh circuit board 97 in the collective circuit board 81 to perform various data (various programs, identification ID, individual information, commands, etc.). ) Will be described.
  • the form of the propagation path of the data writing process between the circuit boards in the collective circuit board 81 is only a parallel path. Therefore, in the present embodiment, the CPU in the circuit unit provided on the circuit board on which data has been written performs a search process for a circuit board on which data has not been written until there is no circuit board on which data has not been written in the collective circuit board 81. Repeat the data transmission process to the circuit board to which no data has been written.
  • the data writing device 82 performs wireless communication or wired communication with the circuit unit provided on the seventh circuit board 97, and transmits various data (various programs, identification ID, individual information, commands, etc.) to the circuit unit. (See arrow [1] in FIG. 7).
  • the CPU of the circuit unit provided on the seventh circuit board 97 writes the received various data to the memory in its own circuit unit.
  • the CPU of the circuit unit provided on the seventh circuit board 97 controls the wireless communication unit in its own circuit unit, and searches for a circuit board in which no data is written.
  • the sixth circuit board 96 is first detected as a circuit board in which no data is written by this search process.
  • the CPU in the circuit unit provided on the seventh circuit board 97 based on the search result, transmits all data received from the data writing device 82 or a part of the data to the wireless communication unit in its circuit unit.
  • the circuit portion provided on the sixth circuit board 96 see arrow [2] in FIG. 7).
  • the CPU of the circuit unit provided on the sixth circuit board 96 writes the data received from the seventh circuit board 97 via the wireless communication unit in the circuit unit of the circuit unit into the memory in the circuit unit of the circuit unit. Thereafter, the CPU in the sixth circuit board 96 controls the wireless communication unit in its own circuit unit, and searches for a circuit board in which no data is written. In the example illustrated in FIG. 7, the third circuit board 93 is detected as a circuit board in which data is not written by this search process. Next, based on the search result, the CPU in the sixth circuit board 96 sends all the data received from the seventh circuit board 97 or a part of the data via the wireless communication unit in its circuit part. It transmits to the circuit part provided in the 3 circuit board 93 (refer the arrow [3] between the 6th circuit board 96 and the 3rd circuit board 93 in FIG. 7).
  • the CPU in the circuit unit provided on the circuit board 97 performs the following processing.
  • the CPU in the seventh circuit board 97 transmits data to the circuit unit provided in the sixth circuit board 96 and then controls the wireless communication unit in its circuit unit to search for a circuit board in which no data has been written. I do.
  • the second circuit board 92 is detected as a circuit board in which data is not written by this search process.
  • the CPU in the seventh circuit board 97 transmits all data received from the data writing device 82 or a part of the data to the second circuit via the wireless communication unit in its circuit unit.
  • the data is transmitted to the circuit portion provided on the circuit board 92 (see arrow [3] between the seventh circuit board 97 and the second circuit board 92 in FIG. 7).
  • the CPU in the circuit unit provided on the third circuit board 93 writes the data received from the sixth circuit board 96 via the wireless communication unit in the circuit unit to the memory in the circuit unit. Thereafter, the CPU in the third circuit board 93 controls the wireless communication unit in its own circuit unit to search for a circuit board in which no data is written. In the example shown in FIG. 7, the fourth circuit board 94 is detected as a circuit board in which data is not written by this search process. Next, based on the search result, the CPU in the third circuit board 93 sends all the data received from the sixth circuit board 96 or a part of the data through the wireless communication unit in its own circuit unit.
  • the seventh circuit board The CPU in the circuit unit provided in 97 performs the following processing.
  • the CPU in the seventh circuit board 97 transmits data to the circuit unit provided in the second circuit board 92 and then controls the wireless communication unit in its circuit unit to search for a circuit board in which no data is written. I do.
  • the eighth circuit board 98 is detected as a circuit board in which data is not written by this search process.
  • the CPU in the seventh circuit board 97 transmits all data received from the data writing device 82 or a part of the data to the eighth circuit via the wireless communication unit in its circuit unit.
  • the data is transmitted to the circuit portion provided on the circuit board 98 (see arrow [4] between the seventh circuit board 97 and the eighth circuit board 98 in FIG. 7).
  • the CPU in the circuit unit provided on the eighth circuit board 98 writes the data received from the seventh circuit board 97 via the wireless communication unit in its circuit unit to the memory in its circuit unit.
  • the CPU in the circuit unit provided on the circuit board 96 performs the following processing.
  • the CPU in the sixth circuit board 96 transmits data to the circuit unit provided in the third circuit board 93 and then controls the wireless communication unit in its circuit unit to search for a circuit board in which no data is written. I do.
  • the fifth circuit board 95 is detected as a circuit board in which data is not written by this search process.
  • the CPU in the sixth circuit board 96 sends all the data received from the seventh circuit board 97 or a part of the data via the wireless communication unit in its circuit part. It transmits to the circuit part provided in the 5 circuit board 95 (refer arrow [4] between the 6th circuit board 96 and the 5th circuit board 95 in FIG. 7). Then, the CPU in the circuit unit provided on the fifth circuit board 95 writes the data received from the sixth circuit board 96 via the wireless communication unit in its own circuit unit to the memory in its own circuit unit.
  • the second The CPU in the circuit unit provided on the circuit board 92 performs the following processing.
  • the CPU in the second circuit board 92 writes the data received from the seventh circuit board 97 via the wireless communication unit in the circuit part of the second circuit board 92 to the memory in the circuit part of the second circuit board 92.
  • the CPU in the second circuit board 92 controls the wireless communication unit in its own circuit unit, and searches for a circuit board in which no data is written.
  • the first circuit board 91 is detected as a circuit board in which data is not written by this search process.
  • the CPU in the second circuit board 92 sends all the data received from the seventh circuit board 97 or a part of the data via the wireless communication unit in its circuit part. It transmits to the circuit part provided in the 1 circuit board 91 (refer arrow [4] between the 2nd circuit board 92 and the 1st circuit board 91 in Drawing 7). Then, the CPU in the circuit unit provided on the first circuit board 91 writes the data received from the second circuit board 92 via the wireless communication unit in the circuit unit in the memory in the circuit unit.
  • the propagation path of the data writing process is not limited to the example shown in FIG. 7, and can be arbitrarily set.
  • the propagation path of the data writing process (the order of the circuit boards performing the data writing process) may be set in advance or may not be set. In the former case, the data writing time can be further shortened.
  • data writing processing can be performed on a plurality of circuit boards according to the procedure described in the flowchart shown in FIG.
  • the data writing system 80 and the data writing method according to the present embodiment if data is transmitted from the data writing device 82 to a predetermined circuit board in the collective circuit board 81, then data is transferred between the circuit boards. Is transmitted to the memories in the circuit units provided on the respective circuit boards while propagating by wireless communication, and finally, the corresponding predetermined data is written to the memories in all the circuit boards. Therefore, in this embodiment, it is the same as the various effects described in the description of the data writing system 1 and its data writing method shown in FIGS. 1 and 2 (description of the basic concept of the first aspect of the present invention). The effect is obtained.
  • the data writing process to the second circuit board 92 and the data writing process to the third circuit board 93 are performed in parallel with each other. Also, the data writing process to the first circuit board 91, the data writing process to the fourth circuit board 94, the data writing process to the fifth circuit board 95 and the writing process to the eighth circuit board 98 are mutually parallel. Done. Therefore, in this embodiment, the data writing time can be shortened.
  • FIG. 8 shows an example of the configuration.
  • FIG. 8 is a diagram illustrating a schematic configuration of the data writing system according to the first modification and a state of the data writing operation.
  • the same components as those of the data writing system 20 (see FIG. 3) of the first embodiment are denoted by the same reference numerals, The description of the configuration is omitted.
  • the data writing system 100 of this example includes a collective circuit board 101 and a data writing device 22.
  • the first circuit board 31 to the eighth circuit board 38 are provided on the collective circuit board 101. Further, in this example, the first circuit board 31 to the eighth circuit board 38 are arranged on the collective circuit board 101 so as to be separated from each other by a predetermined distance, and therefore, between the circuit boards in the collective circuit board 101 and the collective circuit board 101. A discarded substrate portion 101a is formed at the outer peripheral end of the substrate. Then, a wiring 111 for connecting the circuit boards is provided on the discarded board portion 101a.
  • the order of data write processing is as follows: first circuit board 31, second circuit board 32, third circuit board 33, fourth circuit board 34, fifth circuit board 35, sixth circuit board 36, A case where the seventh circuit board 37 and the eighth circuit board 38 are in this order will be described. Therefore, in the data writing system 100 of this example, as shown in FIG. 8, between the first circuit board 31 and the second circuit board 32, between the second circuit board 32 and the third circuit board 33, and the third circuit board 33. Between the fourth circuit board 34, between the fourth circuit board 34 and the fifth circuit board 35, between the fifth circuit board 35 and the sixth circuit board 36, between the sixth circuit board 36 and the seventh circuit board 37, and Wiring 111 is provided between the seventh circuit board 37 and the eighth circuit board 38, respectively.
  • the first circuit board 31, the second circuit board 32, the third circuit board 33, the fourth circuit board 34, the fifth circuit board 35, the sixth circuit board 36, the seventh circuit board 37, and the eighth circuit board 38 are provided. In this order, they are connected in series via the wiring 111.
  • the data writing device 22 performs wireless communication or wired communication with the circuit unit 41 provided on the first circuit board 31 to perform various data (various programs). , Identification ID, individual information, command, etc.) are transmitted to the circuit unit 41 (see arrow [1] in FIG. 8). Thereafter, all or part of various data transmitted from the data writing device 22 is transmitted through the wiring 111 to the first circuit board 31, the second circuit board 32, the third circuit board 33, the fourth circuit board 34, While propagating in the order of the fifth circuit board 35, the sixth circuit board 36, the seventh circuit board 37, and the eighth circuit board 38 (see arrows [2] to [8] in FIG. 8), the memory in each circuit board is stored. Predetermined data is written.
  • a circuit board (see FIG. 4) provided with a circuit unit that does not have the wireless communication unit described in the first embodiment
  • the circuit board (see FIG. 6) provided with the circuit unit having the wireless communication unit described in the second and third embodiments may be mixed.
  • the circuit board capable of wireless communication and the circuit board not capable of wireless communication are mixed in the collective circuit board.
  • the data writing process can be propagated in the collective circuit board. Therefore, also in the data writing system of this example, the same effect as in the first to third embodiments can be obtained. Furthermore, in this example, even if a plurality of types of circuit boards are mixed in the collective circuit board, it can be flexibly dealt with.
  • the data writing device may transmit data to the plurality of circuit boards in a predetermined sequence, or may transmit data to the plurality of circuit boards at the same time. In the latter case, the data writing time can be further shortened.
  • the CPU in the circuit unit provided on the circuit board of the data transmission source may directly write data to the memory in the circuit unit of the data transmission destination, or the data transmission with the CPU in the circuit unit of the data transmission source.
  • the CPU in the previous circuit unit may cooperate to write data to the memory in the data transmission destination circuit unit.
  • the data writing device includes a CPU
  • the CPU in the data writing device may directly write data into the memory in the circuit unit of the data transmission destination, or the CPU and the data in the data writing device
  • the CPU in the circuit unit of the transmission destination may cooperate with the CPU to write data to the memory in the circuit unit of the data transmission destination.
  • various programs transmitted from the data writing device 22 include not only initial programs such as product firmware, but also radio wave output of a circuit unit (electronic component) in a circuit board manufacturing process.
  • An example has been described in which an inspection program for executing an inspection is included and both of these programs are written to the memory in each circuit board by one data writing process.
  • the present invention is not limited to this.
  • a test program for executing a radio wave output inspection of a circuit unit is written in a memory in the circuit unit provided in each circuit board, and then the radio wave output inspection of the circuit unit is performed in each circuit board. Then, after the radio wave output inspection is completed, an initial program such as product firmware may be written to the memory in the circuit unit in a form of overwriting the inspection program. In this case, even when the capacity of the memory in the circuit portion is relatively small, it can be dealt with.
  • FIG. 9 is a schematic configuration diagram of the collective circuit board according to the fourth embodiment.
  • FIG. 10 is a diagram illustrating an internal configuration of a circuit board, a data writing device, and a storage device provided in the collective circuit board of the fourth embodiment.
  • the collective circuit board 201 is provided with a storage device 202, a data writing device 203, a plurality of circuit boards 204, and a write wiring 205 (wiring).
  • FIG. 9 shows an example in which eight circuit boards 204 are arranged on the collective circuit board 201 in an array form of 2 (vertical) ⁇ 4 (horizontal), but the present invention is not limited to this.
  • the arrangement form of the eight circuit boards 204 is appropriately set according to conditions such as the size and shape of the collective circuit board 201 and the size and shape of each circuit board 204.
  • the storage device 202, the data writing device 203, and the eight circuit boards 204 are arranged on the collective circuit board 201 so as to be separated from each other by a predetermined distance.
  • a wiring pattern such as an inspection wiring, an alignment mark, a margin area between the circuit boards, etc. Is provided. That is, the area 201a in the collective circuit board 201 is a part that is finally discarded after each circuit board is separated from the collective circuit board 201. Therefore, in the following, the area 201a in the collective circuit board 201 is referred to as “abandoned board portion”.
  • a write wiring 205 is provided in the area of the discarded substrate portion 201a between the two.
  • the storage device 202 is electrically connected to the data writing device 203, and the data writing device 203 is connected to the write wiring 205. That is, the storage device 202 is indirectly connected to the write wiring 205 via the data writing device 203.
  • the storage device 202 has a memory 206 as shown in FIG.
  • the memory 206 stores various data (various programs, identification ID, individual information, commands, etc.) to be written in a memory 214 described later in each circuit board 204 in the manufacturing process of the circuit board 204. Note that these various data are preferably stored in the memory 206 in advance before the memory 206 is mounted on the collective circuit board 201.
  • the various programs stored in the memory 206 in the storage device 202 need to be stored in the memory 214 in the circuit board 204 before shipment (manufacturing stage) of the circuit board, such as product firmware.
  • a certain program (hereinafter referred to as an initial program) is included.
  • the various programs also include an inspection program for executing a radio wave output inspection of the circuit unit 211 in the manufacturing process of the circuit board 204.
  • a table defining the data writing order for example, information specifying the circuit board 204
  • a table that defines the correspondence between the writing order (such as serial numbers written in advance in the memory 214) and the order of writing.
  • the data writing device 203 has a CPU 207 (data writing unit) as shown in FIG.
  • the CPU 207 is electrically connected to the memory 206 of the storage device 202 and is also electrically connected to a connector 212 (described later) in each circuit board 204 via the write wiring 205.
  • the CPU 207 in the data writing device 203 accesses the memory 214 in each circuit board 204 via the write wiring 205 in the manufacturing process of the circuit board 204, and acquires various data acquired from the memory 206 in the storage device 202. Is written in the memory 214 in each circuit board 204.
  • each circuit board 204 includes a circuit board main body 210, and a circuit unit 211 and a connector 212 provided on the circuit board main body 210.
  • the circuit unit 211 includes a function unit 213 and a memory 214. Inside the circuit unit 211, the memory 214 is electrically connected to the functional unit 213. The functional unit 213 is electrically connected to the connector 212, and the connector 212 is electrically connected to the write wiring 205. That is, the memory 214 is connected to the write wiring 205 via the functional unit 213 and the connector 212. Note that a wiring extended from the writing wiring 205 may be directly connected to the functional unit 213 without using the connector 212.
  • the functional unit 213 is a circuit for realizing a predetermined function performed by the circuit board 204 (the circuit unit 211).
  • various programs when necessary functions are executed in the circuit board 204 (circuit unit 211) by a data writing operation of the data writing device 203 described later in the circuit board manufacturing process ( Various data such as an initial program), an ID for identification, individual information, and a command are stored.
  • the correspondence between the unique information and the circuit board 204 is included in various data stored in the memory 206 in the storage device 202.
  • a method may be used in which a specified list (table) is included and specific information is assigned to each circuit board 204 based on the list.
  • the unique information is changed for each data writing process to the circuit board 204 (for example, a predetermined value is added to the identification ID number).
  • a method of assigning different unique information to each circuit board 204 may be used.
  • the write wiring 205 is a common bus for data writing such as I 2 C (Inter-Integrated Circuit) provided in common for the eight circuit boards 204,
  • the circuit portion 211 in each circuit board 204 is connected to the write wiring 205 via a wiring including the connector 212 (see FIG. 10).
  • the eight circuit boards 204 are connected in parallel to the write wiring 205.
  • each circuit board 204 is separated from the collective circuit board 201, the storage device 202, the data writing device 203, and the write wiring 205 are also separated from each circuit board 204 (remain in the discarded board portion 201a).
  • the order of the circuit boards 204 to which data is written may be determined in advance, for example.
  • the order of the circuit boards 204 to which data is written can be arbitrarily set.
  • the CPU 207 in the data writing device 203 searches the circuit board 204 in which data is not written and the circuit board 204 in which data is not written is detected without setting the order of the circuit boards 204 to which data is written in advance.
  • data may be written to the circuit board 204 in which no data is written.
  • the search order of the circuit board 204 by the data writing device 203 can be arbitrarily set.
  • the search may be made sequentially from the circuit board 204 present at a position close to the data writing device 203.
  • FIG. 11 is a flowchart showing a procedure of data write processing according to the present embodiment.
  • the power for driving the CPU 207 in the data write device 203 is supplied from the data write device 203 (the collective circuit board 201). To be supplied.
  • An execution program for data write processing described below is stored in advance in the storage device 202.
  • the CPU 207 in the data write device 203 executes this execution from the storage device 202. Read the program and perform the following processes.
  • the CPU 207 in the data writing device 203 searches for a circuit board 204 in which data has not been written (step S11).
  • step S11 the CPU 207 in the data writing device 203, for example, a table that defines the data writing order and information that specifies the circuit board 204. With reference to (for example, a serial number previously recorded in the memory 214 in the circuit board 204), the individual circuit boards 204 are identified, and then the circuit board 204 to which data is written is searched.
  • step S11 the CPU 207 in the data writing device 203 accesses, for example, the memory 214 in the circuit unit 211 provided in each circuit board 204. Then, the data writing state of the memory 214 is detected, and the circuit board 204 in which no data is written is searched.
  • the CPU 207 in the data writing device 203 determines whether or not there is a circuit board 204 to which data has not been written, based on the search result in step S11 (step S12).
  • step S12 when the CPU 207 in the data writing device 203 determines that there is a circuit board 204 to which data has not been written (step S12 is YES), the CPU 207 in the data writing device 203 is in the storage device 202. Various data to be written to the memory 214 in the circuit board 204 is acquired from the memory 206 (step S13).
  • the CPU 207 in the data writing device 203 writes the various data acquired in step S13 into the memory 214 in the circuit unit 211 provided on the predetermined circuit board 204 in which no data is written (step S14). Then, after the data writing process to the memory 214 in the predetermined circuit board 204 is completed, the CPU 207 of the data writing device 203 returns the process to the process of step S11. Thereafter, the processes in steps S11 to S14 are repeated until NO is determined in step S12 (until the data writing process is completed for all the circuit boards 204).
  • step S12 when the CPU 207 in the data writing device 203 determines that there is no circuit board 204 to which data has not been written (NO in step S12), the CPU 207 in the data writing device 203 The writing process is terminated.
  • the data writing process is performed on the plurality of circuit boards 204 provided on the collective circuit board 201 as described above.
  • the memories in all the circuit boards 204 are provided inside the collective circuit board 201.
  • the data writing process to 214 is completed. That is, in this embodiment, it is not necessary to separately provide a data writing device for writing data to the memory 214 in each circuit board 204 and a dedicated jig for attaching it to the circuit board outside the collective circuit board 201. .
  • a data writing device is individually attached (connected) to the circuit board 204, and the operation of writing data becomes unnecessary.
  • this embodiment it is possible to reduce the time required for connecting the data writing device, and to improve the work efficiency of the data writing process to the plurality of circuit boards 204 in the collective circuit board. As a result, in this embodiment, the production efficiency of the circuit board 204 can be further improved.
  • the storage device 202 and the data writing device 203 provided on the discard board portion 201a of the collective circuit board 201 are substantially disposable, but recently, electronic components such as a CPU and a memory are inexpensive, so the storage device 202 and the data Even if the writing device 203 is disposable, there is almost no possibility that this will lead to an increase in cost. Therefore, in this embodiment, the circuit board 204 can be manufactured at a lower cost.
  • the data writing process to the plurality of circuit boards 204 in the manufacturing process of the circuit board 204 is performed by the data writing device 203 provided separately from the plurality of circuit boards 204. Therefore, in the present embodiment, when the data write processing program is not stored in advance in the memory 214 in the circuit unit 211 provided on the circuit board 204, or the circuit unit 211 includes a CPU for data write processing. Even if it is not, predetermined data can be written in the memory 214.
  • the memory 214 included in the circuit board 204 may include a processing CPU such as a microcomputer with a built-in memory. At this time, the processing CPU is connected to the data writing device 203 via the writing wiring 205 by the data transfer interface, and executes the writing of the input writing data to the memory.
  • FIG. 12 is a schematic configuration diagram of the collective circuit board according to the fifth embodiment.
  • FIG. 13 is a diagram illustrating an internal configuration of a circuit board and a storage device provided in the collective circuit board according to the fifth embodiment.
  • the collective circuit board 221 is provided with a storage device 222, a plurality of circuit boards 224, and a write wiring 225 (wiring).
  • FIG. 12 shows an example in which eight circuit boards 224 are arranged on the collective circuit board 221 in a 2 (vertical) ⁇ 4 (horizontal) arrangement, but the present invention is not limited to this.
  • the arrangement form of the eight circuit boards 224 is appropriately set according to conditions such as the size and shape of the collective circuit board 221 and the size and shape of each circuit board 224.
  • the storage device 222 and the eight circuit boards 224 are arranged on the collective circuit board 221 so as to be separated from each other by a predetermined distance. Therefore, a discarded substrate portion 221a is formed between the components in the integrated circuit substrate 221 and in the region of the outer peripheral end of the integrated circuit substrate 221.
  • write wiring 225 is provided in the region of the discarded substrate portion 221a between the two. Furthermore, in the present embodiment, the storage device 222 is connected to the write wiring 225.
  • the storage device 222 has a memory 226 as shown in FIG.
  • the memory 226 stores various data (various programs, identification ID, individual information, commands, etc.) written in a memory 234 described later in each circuit board 224 in the manufacturing process of the circuit board 224. These various data are preferably stored in the memory 226 in advance before the memory 226 is mounted on the collective circuit board 221.
  • the various programs stored in the memory 226 of the storage device 222 include initial programs such as product firmware.
  • the various programs also include an inspection program for executing a radio wave output inspection of the circuit unit 231 in the manufacturing process of the circuit board 224.
  • each circuit board 224 includes a circuit board main body 230, and a circuit unit 231 and a connector 232 provided on the circuit board main body 230.
  • the circuit unit 231 includes a function unit 233, a memory 234, and a CPU 235 (data writing unit).
  • the CPU 235 is electrically connected to the functional portion 233 and the memory 234, respectively.
  • the CPU 235 is electrically connected to the connector 232, and the connector 232 is electrically connected to the write wiring 225. That is, the CPU 235 is connected to the write wiring 225 via the connector 232.
  • the functional unit 233 is a circuit for realizing a predetermined function performed by the circuit board 224 (the circuit unit 231).
  • various programs necessary for executing a predetermined function in the circuit board 224 (circuit unit 231) by a data write operation of the CPU 235 described later in the manufacturing process of the circuit board 224.
  • Various data such as an identification ID, individual information, and a command are stored.
  • data write processing processing in which the CPU 235 accesses the storage device 222 to acquire various data and writes the various data acquired in the memory 234 in its own circuit unit 231) to the memory 234.
  • the CPU 235 is an arithmetic processing unit for controlling all the various operations executed on the circuit board 224 (circuit unit 231). Therefore, the operation of the functional unit 233 and the data input / output operation with respect to the memory 234 are controlled by the CPU 235.
  • the CPU 235 controls the operation when writing various data including the product firmware stored in the storage device 222 into the memory 234 in its circuit unit 231. Although not shown in FIGS. 12 and 13, when the data writing process is executed by the CPU 235, power for driving the CPU 235 is supplied to the collective circuit board 221.
  • the write wiring 225 is individually provided for each of the eight circuit boards 224, and the circuit portion 231 in each circuit board 224 is connected to the write wiring via the wiring including the connector 232. 225 (see FIG. 13).
  • the eight circuit boards 224 are connected in parallel to the write wiring 225.
  • each circuit board 224 is separated from the collective circuit board 221, the storage device 222 and the write wiring 225 are also separated from each circuit board 224 (remain in the discarded board portion 221a).
  • FIG. 14 is a flowchart illustrating a procedure of data writing processing according to the present embodiment.
  • the CPU 235 in the circuit unit 231 provided on the predetermined circuit board 224 in which no data is written is connected to the collective circuit board 221 via the connector 232 mounted on the circuit board 224 and the write wiring 225.
  • the memory 226 in the provided storage device 222 is accessed (step S21).
  • the CPU 235 in the circuit unit 231 provided on the predetermined circuit board 224 acquires various data (various programs, identification ID, individual information, commands, etc.) stored in the memory 226 in the storage device 222 (Ste S22). Then, the CPU 235 in the circuit unit 231 provided on the predetermined circuit board 224 writes the acquired various data in the memory 234 in its own circuit unit 231 (step S23).
  • the above-described steps S21 to S23 are sequentially performed for each circuit board 224.
  • the data writing process to the plurality of circuit boards 224 in the collective circuit board 221 of this embodiment is completed.
  • the inside of the collective circuit board 221 is the same as in the fourth embodiment.
  • the data writing process to the memory 234 in all the circuit boards 224 is completed. Therefore, also in the present embodiment, the production efficiency of the circuit board 224 can be further improved as in the fourth embodiment.
  • the manufacturing cost of a dedicated jig for attaching a data writing device separately provided outside the collective circuit board 221 to the circuit board, the replacement cost of the dedicated jig due to wear of the connection terminals of the dedicated jig, and the like are reduced. can do.
  • the storage device 222 provided on the discard board portion 221a of the collective circuit board 221 is substantially disposable.
  • the circuit board 224 can be manufactured at a lower cost.
  • a program for executing the above-described data writing process is stored in the memory 234 in each circuit board 224 in advance. Therefore, according to the present embodiment, various data including product firmware stored in the memory 226 in the storage device 222 in advance is automatically changed according to the use of the circuit board 224. Thus, the data can be written to the memory 234 in each circuit board 224. That is, in this embodiment, even if the use of the circuit board 224 is changed, it can be flexibly and easily handled.
  • the circuit board 204 of the fourth embodiment and the circuit board 224 of the fifth embodiment are mixedly provided in the collective circuit board 201. It may be done. That is, in the configuration in which the storage device 202 and the data writing device 203 are provided in the discard board portion 201a of the collective circuit board 201 (see FIG. 9), the circuit portion 211 that does not include a CPU is mounted in the collective circuit board 201.
  • the circuit board 204 (see FIG. 10) and the circuit board 224 (see FIG. 13) on which the circuit unit 231 including the CPU 235 is mounted may be provided in a mixed manner.
  • the data writing device 203 writes various data to the memory 214 in the circuit board 204 as in the fourth embodiment.
  • data can be written into the memory 234 in the circuit board 224 by the following various methods.
  • the CPU 235 in each circuit board 224 obtains various data stored in the memory 206 in the storage device 202 via the data writing device 203 and stores the various data in the memory 234 in its own circuit board 224. You may write. Further, for example, the CPU 207 in the data writing device 203 may directly write various data into the memory 234 in the circuit board 224 of the fifth embodiment. Further, for example, the CPU 207 in the data writing device 203 and the CPU 235 in each circuit board 224 cooperate to write various data in the memory 234 in the circuit board 224 of the fifth embodiment. .
  • FIG. 15 is a schematic configuration diagram of a data writing system according to the sixth embodiment.
  • FIG. 16 is a diagram showing the internal configuration of the data writing device of this embodiment, and
  • FIG. 17 is a diagram showing the internal configuration of each circuit board of this embodiment.
  • the data writing system 301 includes a data writing device 302 (data transmitting device) and a plurality of circuit boards 311 to 314 (hereinafter referred to as first circuit board 311 to fourth circuit board 314, respectively).
  • a data writing device 302 data transmitting device
  • first circuit board 311 to fourth circuit board 314, respectively a plurality of circuit boards 311 to 314
  • first circuit board 311 to fourth circuit board 314, respectively a plurality of circuit boards 311 to 314
  • the present invention is not limited to this, and the number of circuit boards can be arbitrarily set. Can be set.
  • the data writing device 302 includes a memory 303, a wireless communication unit 304, and a CPU (Central Processing Unit) 305.
  • the data writing device 302 wirelessly communicates with a circuit unit (described later with reference to FIG. 17) provided on each circuit board to transmit various data (various programs, identification ID, individual information, commands, etc.) to the circuit unit. It has the function to transmit to. Therefore, the data writing device 302 is disposed at a position where wireless communication is possible with respect to each circuit board.
  • the memory 303 in the data writing device 302 stores various data (various programs, identification ID, individual information, commands, etc.) to be written in the memory in each board circuit. These various data are preinstalled in the memory 303 in the data writing device 302 in advance.
  • the memory 303 includes the memory 303.
  • a transmission correspondence table that defines the correspondence between the type of each stored data (firmware, etc.) and information about the circuit board that is the transmission destination of each data (for example, the serial number of the memory in the circuit board of the transmission destination). Is also stored.
  • the wireless communication unit 304 in the data writing device 302 includes a communication circuit including an IC (Integrated Circuit), an antenna, and the like.
  • the wireless communication unit 304 has a function of wirelessly communicating with each circuit board and transmitting various data stored in the memory 303 to each circuit board.
  • a short-range communication method such as BLE (Bluetooth (registered trademark) Low Energy) or WiFi (registered trademark) is used. it can.
  • the wireless communication unit 304 in the data writing device 302 has a configuration capable of broadcast transmission to the first circuit board 311 to the fourth circuit board 314. Therefore, in the present embodiment, the same data can be simultaneously transmitted from the data writing device 302 to the first circuit board 311 to the fourth circuit board 314.
  • the CPU 305 in the data writing device 302 is an arithmetic processing device for controlling all the various operations executed by the data writing device 302. For example, various operations such as a data transmission operation to each circuit board described later are controlled. Although not shown in FIG. 16, power for driving the CPU 305 in the data writing device 302 is supplied to the data writing device 302 during the data writing operation in the data writing system 301.
  • the first circuit board 311 to the fourth circuit board 314 have the same configuration. Therefore, only the configuration of the first circuit board 311 will be described here.
  • the first circuit board 311 includes a circuit board body 311a and a circuit unit 320 provided on the circuit board body 311a.
  • the circuit unit 320 includes a function unit 321, a memory 322, a wireless communication unit 323, and a CPU 324 (data writing unit).
  • the CPU 324 is electrically connected to the function unit 321, the memory 322, and the wireless communication unit 323.
  • the functional unit 321 is a circuit for realizing a predetermined function performed by the first circuit board 311 (circuit unit 320).
  • various programs when necessary functions are executed in the first circuit board 311 (circuit unit 320) by the data writing operation of the data writing system 301 in the circuit board manufacturing process ( (Including an initial program), various data such as an identification ID, individual information, and a command are stored.
  • the memory 322 in the circuit unit 320 is connected between the CPU 324 in the circuit unit 320, the data writing device 302, and another circuit board, which is performed in a data writing operation in a circuit board manufacturing process described later.
  • a program for executing data transmission / reception processing and data writing processing to the memory 322 in its own circuit unit 320 is also included.
  • the execution program of this data writing process is preinstalled in advance in the memory 322 in the circuit unit 320, for example.
  • the wireless communication unit 323 in the circuit unit 320 includes a communication circuit including an IC, an antenna, and the like.
  • the wireless communication unit 323 has a configuration capable of wireless communication with other circuit boards and the data writing device 302. Specifically, the wireless communication unit 323 has a function of receiving data from the data writing device 302 and a function of transmitting and receiving data to and from other circuit boards.
  • a short-range communication method such as BLE or WiFi (registered trademark) can be used as a communication method between circuit boards.
  • the wireless communication unit 323 has a configuration capable of broadcast transmission to other circuit boards. Therefore, in the present embodiment, the same data can be simultaneously transmitted from a predetermined circuit board to the other three circuit boards.
  • each circuit board is arrange
  • the CPU 324 in the circuit unit 320 is an arithmetic processing unit for controlling all the various operations executed by the first circuit board 311 (circuit unit 320). Therefore, the CPU 324 controls the operation of the functional unit 321, the data input / output operation for the memory 322 (including the data writing operation to the memory 322 in the circuit board manufacturing process), and the communication operation of the wireless communication unit 323.
  • the CPU 324 controls the operation of the functional unit 321, the data input / output operation for the memory 322 (including the data writing operation to the memory 322 in the circuit board manufacturing process), and the communication operation of the wireless communication unit 323.
  • FIG. 18 is a diagram illustrating an operation state of the data writing system 301 in the data writing operation example 1.
  • the data writing device 302 transmits all data (data A and data B) stored in the memory 303 in the data writing device 302 to each circuit board. At this time, the data writing device 302 transmits data A and data B simultaneously to the first circuit board 311 to the fourth circuit board 314 by broadcast transmission.
  • the CPU in the circuit unit provided on each circuit board writes the received data A and data B into the memory in its own circuit unit.
  • all the data (data A and data B) stored in the memory 303 in the data writing device 302 is written in the memory in the circuit section provided on each circuit board.
  • the example in which the broadcast transmission is performed between the data writing device 302 and the plurality of circuit boards and the same data is simultaneously transmitted to the plurality of circuit boards has been described. It is not limited to this.
  • data may be transmitted from the data writing device 302 to each circuit board in a predetermined order.
  • FIG. 19 is a diagram illustrating an operation state of the data writing system 301 in the data writing operation example 2.
  • Data writing operation example 2 describes an example in which the type of data transmitted from the data writing device 302 is changed for each circuit board.
  • FIG. 19 an example in which data A and data B are stored in the memory 303 in the data writing device 302 will be described as in the data writing operation example 1.
  • the data writing device 302 simultaneously transmits the data A stored in the internal memory 303 to the first circuit board 311 and the second circuit board 312 by broadcast transmission.
  • the data writing device 302 transmits the data B stored in the internal memory 303 to the third circuit board 313 and the fourth circuit board 314 simultaneously by broadcast transmission.
  • data transmission processing from the data writing device 302 to the first circuit board 311 and the second circuit board 312 is performed, and data transmission from the data writing device 302 to the third circuit board 313 and the fourth circuit board 314 is performed. It may be performed after the transmission process.
  • the CPU 305 in the data writing device 302 stores the data type and destination of the data stored in the memory 303 in the data writing device 302. With reference to a transmission correspondence table that defines a correspondence relationship with information on circuit boards (such as serial numbers of memories in each circuit board), predetermined data is transmitted to the corresponding circuit board.
  • the CPU in the circuit unit provided on each circuit board writes the received data (data A or data B) into the memory in its own circuit unit.
  • data A is written in each memory in the circuit portion provided on the first circuit board 311 and the second circuit board 312, and the third circuit board 313 and the fourth circuit board 314.
  • Data B is written in each memory in the circuit portion provided in the circuit.
  • the combination of the circuit board and the type of data to be written is not limited to the example shown in FIG. 19 and can be arbitrarily set.
  • data B is written in each memory in the first circuit board 311 and the second circuit board 312
  • data A is written in each memory in the third circuit board 313 and the fourth circuit board 314. It may be.
  • all the data stored in the memory 303 in the data writing device 302 (like the data writing operation example 1) ( Data A and data B) may be written.
  • the same data is simultaneously transmitted from the data writing device 302 to the first circuit board 311 and the second circuit board 312 or the third circuit board 313 and the fourth circuit board 314 by broadcast transmission.
  • this invention is not limited to this.
  • data may be transmitted from the data writing device 302 to each circuit board in a predetermined order.
  • FIGS. 20A and 20B are diagrams illustrating an operation state of the data writing system 301 in the data writing operation example 3.
  • FIG. 20A and 20B are diagrams illustrating an operation state of the data writing system 301 in the data writing operation example 3.
  • the type of data transmitted from the data writing device 302 is changed for each circuit board, and the received data is transmitted and received between the circuit boards, so that the memory 303 in the data writing device 302 is transmitted.
  • An example of the operation of writing all data stored in the memory in each circuit board will be described. In this example, as shown in FIGS. 20A and 20B, an example will be described in which four data A to D are stored in the memory 303 in the data writing device 302.
  • FIG. 20A and 20B an example will be described in which four data A to D are stored in the memory 303 in the data writing device 302.
  • Data A to data D stored in the memory 303 in the data writing device 302 may be independent (unrelated) data, or each of the data A to data D is a piece of data. It may be data. In the latter case, after the mutual data transmission / reception processing between the circuit boards is completed, one data consisting of data A to data D is completed in the memory in each circuit board.
  • the data write device 302 stores the data A to data D stored in the internal memory 303 of the first circuit board 311 to the fourth circuit board, respectively. To 314.
  • the CPU 305 in the data writing device 302 stores information on the type of data and the circuit board of the transmission destination (serial number of the memory in each circuit board) stored in the memory 303 in the data writing apparatus 302. , Etc.) is referred to, and predetermined data is transmitted to the corresponding circuit board.
  • the transmission order of data from the data writing device 302 to each circuit board can be arbitrarily set.
  • the CPU in the circuit unit provided on each circuit board writes the predetermined data received from the data writing device 302 to the memory in its own circuit unit.
  • the data A is written into the memory in the first circuit board 311 and the second Data B is written in the memory in the circuit board 312, data C is written in the memory in the third circuit board 313, and data D is written in the memory in the fourth circuit board 314.
  • the data received between the circuit boards is transmitted and received mutually.
  • the first circuit board 311 transmits data A to each of the second circuit board 312, the third circuit board 313, and the fourth circuit board 314.
  • the second circuit board 312 transmits data B to each of the first circuit board 311, the third circuit board 313, and the fourth circuit board 314.
  • the third circuit board 313 transmits data C to each of the first circuit board 311, the second circuit board 312, and the fourth circuit board 314.
  • the fourth circuit board 314 transmits data D to each of the first circuit board 311, the second circuit board 312, and the third circuit board 313.
  • broadcast transmission is performed between the predetermined circuit board and the other three circuit boards, and the same data is simultaneously transmitted from the predetermined circuit board to the other three circuit boards.
  • the CPU in each circuit board writes the received various data to the memory in its own circuit unit.
  • the CPU in each circuit board writes the received various data to the memory in its own circuit unit.
  • the data transmission mode in the data write operation example 3 is not limited to the example shown in FIGS. 20A and 20B.
  • the combination of the type of the circuit board and the type of data transmitted from the data writing device 302 to the circuit board is not limited to the example illustrated in FIG. 20A and can be arbitrarily set.
  • the example in which the type of data transmitted from the data writing device 302 to each circuit board is one has been described.
  • the configuration is such that two or three types of data are transmitted to a predetermined circuit board. It may be.
  • data is transmitted from a predetermined circuit board to all other circuit boards, and all data stored in the memory 303 in the data writing device 302 (although the example in which the data A to data D) is written in the memory in each circuit board has been described, the present invention is not limited to this.
  • data may be transmitted only from a predetermined circuit board to a specific other circuit board, and the type of data written to the memory may be different for each circuit board.
  • data A and data B are written in the memories of the first circuit board 311 and the second circuit board 312, and data C and data D are written in the memories of the third circuit board 313 and the fourth circuit board 314. May be written.
  • the first circuit board 311 transmits the data A only to the second circuit board 312 and the second circuit board 312 is the first circuit board.
  • Data B need only be transmitted to 311.
  • the third circuit board 313 may transmit the data C only to the fourth circuit board 314, and the fourth circuit board 314 may transmit the data D only to the third circuit board 313.
  • the data to be written in the memory can be changed for each circuit board, and even when a plurality of types of circuit boards having different uses are included in the plurality of circuit boards, it can be dealt with.
  • FIG. 21 is a flowchart showing a procedure of data writing processing to a plurality of circuit boards by the data writing system 301.
  • the power for driving each CPU in the data writing device 302 and each circuit board is supplied to the data write system 301 as described above. Supplied. With this power supply, an execution program for data write processing stored in advance in a memory in each circuit board is activated, and various processing described below is executed.
  • the CPU 305 in the data writing device 302 stores the circuit unit provided in each circuit board in the memory 303 in the data writing device 302.
  • the stored predetermined data is transmitted by wireless communication (step S31).
  • communication is performed between the wireless communication unit 304 in the data writing device 302 and the wireless communication unit in the circuit unit provided in each circuit board.
  • the CPU 305 in the data writing device 302 transmits all data stored in the memory 303 in the data writing device 302 to each circuit board.
  • the CPU 305 in the data writing device 302 is stored in the memory 303 in the data writing device 302. Corresponding predetermined data is transmitted for each circuit board from the various data.
  • the CPU in the circuit unit provided in each circuit board receives data from the data writing device 302 by wireless communication, and writes the received data in the memory in its own circuit unit (step S32).
  • the CPUs in the circuit boards that have completed the data writing process in step S32 determine whether or not it is necessary to transmit and receive data between the circuit boards by wireless communication (step S33). Specifically, the CPU in the circuit unit provided in each circuit board is based on information (corresponding table, command, etc.) included in the data written in the memory in the circuit unit. It is determined whether or not it is necessary to transmit the data written to the other circuit board.
  • step S33 When it is determined in step S33 that the CPUs in the circuit units provided on the circuit boards do not need to transmit / receive data to / from each other (when step S33 is NO), for example, a data write operation
  • the form is the form of the data write operation example 1 (see FIG. 18) or the data write operation example 2 (see FIG. 19)
  • the CPU in each circuit board ends the data write process. .
  • step S33 when it is determined in step S33 that the CPUs in the circuit units provided on the circuit boards need to transmit / receive data to / from each other (when step S33 is YES), for example, the data
  • the write operation is the data write operation example 3 (see FIGS. 20A and 20B)
  • the CPU in each circuit board transmits the received data to another circuit board by wireless communication.
  • data transmitted from another circuit board is received (step S34).
  • the CPU in the circuit unit provided in each circuit board writes the data received from the other circuit board into the memory in its own circuit unit (step S35). Thereafter, the CPU in each circuit board ends the data writing process.
  • data writing processing is performed on a plurality of circuit boards as described above.
  • data is transmitted from the data writing device 302 to a plurality of circuit boards by wireless communication, and thereafter, predetermined data is stored in a memory in a circuit unit provided in each circuit board. Data is written. That is, in the present embodiment, unlike the prior art, it is not necessary to individually connect the data writing device to the circuit board via the dedicated mounting jig to perform the data writing operation. Therefore, in this embodiment, the work efficiency of the circuit board programming process can be improved, and the production efficiency of the circuit board can be further improved.
  • the data writing device 302 when various data are transmitted from the data writing device 302 to the corresponding circuit boards, data is transmitted and received between the circuit boards. During the execution period, the data writing device 302 can start the next data transmission operation. Therefore, in this embodiment, the occupation time of the data writing device 302 for one circuit board can be shortened. In this case, for example, even when the data writing system 301 includes a plurality of types of circuit boards, the efficiency of the data writing process can be improved.
  • the data writing device 302 has a broadcast transmission function, and can simultaneously transmit the same data from the data writing device 302 to a plurality of circuit boards. Therefore, in this embodiment, it is possible to further improve the work efficiency of the process of writing data to a plurality of circuit boards.
  • a dedicated attachment jig for directly attaching the data writing device 302 to the circuit board is not required. Therefore, in this embodiment, it is possible to reduce the manufacturing cost of the dedicated mounting jig, the replacement cost of the mounting jig due to wear of the connection terminals of the mounting jig, and the circuit board can be manufactured at a lower cost.
  • FIG. 22 is a schematic configuration diagram of a data writing system according to the tenth modification.
  • the same components as those in the data writing system 301 (see FIG. 15) of the sixth embodiment are denoted by the same reference numerals, and the description of those components is omitted. To do.
  • the data writing system 330 of Modification 10 includes a collective circuit board 331 on which a plurality of circuit boards (first circuit board 311 to fourth circuit board 314) are mounted, and a data writing device 302.
  • the data writing device 302 is disposed at a position where wireless communication is possible with respect to each circuit board in the collective circuit board 331.
  • the collective circuit board 331 is provided with a first circuit board 311 to a fourth circuit board 314. At this time, each circuit board is disposed in the collective circuit board 331 at a position where wireless communication is possible with respect to other circuit boards.
  • FIG. 22 shows an example in which four circuit boards are arranged on the collective circuit board 331 in a 2 (vertical) ⁇ 2 (horizontal) arrangement, but the present invention is not limited to this.
  • the number of circuit boards provided on the collective circuit board 331 is appropriately set according to conditions such as the size of the collective circuit board 331 and the size of the circuit board.
  • the arrangement form of the first circuit board 311 to the fourth circuit board 314 is appropriately set according to conditions such as the size and shape of the collective circuit board 331 and the size and shape of each circuit board.
  • the first circuit board 311 to the fourth circuit board 314 are arranged on the collective circuit board 331 so as to be separated from each other by a predetermined distance.
  • a wiring pattern such as inspection wiring and alignment marks, a margin area between circuit boards, etc. Is provided. That is, the area 331a is a portion that is finally discarded after the circuit boards are separated from the collective circuit board 331. Therefore, in FIG. 22, this region 331a is referred to as “abandoned substrate portion 331a”.
  • the first circuit board 311 to the fourth circuit board 314 are provided on the collective circuit board 331 (the first circuit board 311 to the fourth circuit board 314 are integrally connected). Data) can be written in the (status). In this example, after the first circuit board 311 to the fourth circuit board 314 are separated from the collective circuit board 331, data writing processing may be performed on each circuit board.
  • predetermined data can be written to the memory in the circuit section provided on each circuit board, similarly to the sixth embodiment. Therefore, also in this example, the same effect as in the sixth embodiment can be obtained.
  • this invention is not limited to this.
  • a collective circuit board having a configuration in which a plurality of circuit boards are arranged in a predetermined form and the outer ends of the circuit boards facing each other are directly connected between adjacent circuit boards may be used.
  • the configuration of the collective circuit board may be a structure that does not include the discard board part.
  • each of the plurality of circuit boards is a separately manufactured circuit board. Even if the circuit board is mounted on the collective circuit board, or the circuit board is separated from the collective circuit board, data is transferred to the memory in the circuit unit provided on the circuit board in the same manner. Can write. Therefore, in the data writing system and the data writing method thereof according to the third aspect of the present invention, there are few restrictions on the data writing process in the circuit board manufacturing process. Even if the relationship such as the order changes, it is possible to respond flexibly.
  • the data writing system 301 having a configuration capable of executing all the data writing operations of the above-described data writing operation examples 1 to 3 (see FIGS. 18, 19 and 20A and 20B) has been described.
  • the present invention is not limited to this.
  • the data writing system is configured so that only at least one data writing operation in data writing operation examples 1 to 3 can be executed. Also good.
  • the configuration of the data writing system may be configured such that an executable data writing operation is the data writing operation example 1 and / or the data writing operation example 2 (a configuration in which the data writing operation example 3 is not executed).
  • an executable data writing operation is the data writing operation example 1 and / or the data writing operation example 2 (a configuration in which the data writing operation example 3 is not executed).
  • the wireless communication unit in each circuit board since the mutual data transmission / reception processing performed between the circuit boards is not performed, the wireless communication unit in each circuit board only needs to have a data reception function.
  • Wireless communication part 305, 324 ... CPU, 311 ... First circuit board , 312 ... second circuit board, 313 ... third circuit board, 314 ... fourth circuit board, 320 ... circuit part, 321 ... functional part, 331 ... collective circuit board

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  • Read Only Memory (AREA)

Abstract

Un système d'écriture de données de la présente invention comprend : une pluralité de cartes de circuit imprimé comportant chacune une unité de circuit comprenant une mémoire et capable de communiquer avec l'extérieur; un dispositif de transmission de données capable de communiquer avec l'unité de circuit dans au moins une carte de circuit imprimé; et une unité d'écriture de données pour écrire des données dans la mémoire. L'unité de circuit reçoit des données prédéterminées du dispositif de transmission de données ou d'une autre carte de circuit qui est incluse dans la pluralité de cartes de circuit imprimé et dans laquelle le traitement d'écriture de données dans la mémoire a été achevé et, après que le traitement d'écriture des données prédéterminées dans la mémoire a été achevé par l'unité d'écriture de données, transmet la totalité ou une partie des données prédéterminées à une autre carte de circuit qui est incluse dans la pluralité de cartes de circuit imprimé et dans laquelle le traitement d'écriture de données n'a pas été effectué.
PCT/JP2015/057888 2014-03-28 2015-03-17 Système d'écriture de données, procédé d'écriture de données, carte de circuit imprimé assemblée, et carte de circuit imprimé WO2015146715A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2014068967A JP2015191489A (ja) 2014-03-28 2014-03-28 データ書込みシステム及びデータ書込み方法
JP2014-068965 2014-03-28
JP2014068966A JP2015192070A (ja) 2014-03-28 2014-03-28 集合回路基板及びデータ書込み方法
JP2014068965A JP2015192069A (ja) 2014-03-28 2014-03-28 データ書込みシステム、データ書込み方法、集合回路基板及び回路基板
JP2014-068967 2014-03-28
JP2014-068966 2014-03-28

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001117745A (ja) * 1999-10-20 2001-04-27 Konica Corp 多機能装置
JP2007134411A (ja) * 2005-11-08 2007-05-31 Fujifilm Corp 多面取り基板
JP2009537887A (ja) * 2006-05-15 2009-10-29 ノキア コーポレイション メモリ要素の非接触プログラミング及び試験

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001117745A (ja) * 1999-10-20 2001-04-27 Konica Corp 多機能装置
JP2007134411A (ja) * 2005-11-08 2007-05-31 Fujifilm Corp 多面取り基板
JP2009537887A (ja) * 2006-05-15 2009-10-29 ノキア コーポレイション メモリ要素の非接触プログラミング及び試験

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