CN106203574B - A kind of smart card and its write card mode - Google Patents
A kind of smart card and its write card mode Download PDFInfo
- Publication number
- CN106203574B CN106203574B CN201610475985.2A CN201610475985A CN106203574B CN 106203574 B CN106203574 B CN 106203574B CN 201610475985 A CN201610475985 A CN 201610475985A CN 106203574 B CN106203574 B CN 106203574B
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- microprocessor
- contact
- functional chip
- interface module
- card
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
- G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
- G06K1/128—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by electric registration, e.g. electrolytic, spark erosion
Abstract
The application provides a kind of smart card and its writes card mode, is related to technical field of intelligent card, solves that smart card communications rate is low and the technical problem of communication stability difference.The smart card includes card interface module, microprocessor and functional chip, card interface module includes first group of contact and second group of contact, microprocessor includes first group of signal end and second group of signal end: wherein, first group of contact of card interface module and first group of signal end of microprocessor connect, second group of signal end of microprocessor and each signal end of functional chip connect, second group of contact of card interface module and each signal end of functional chip connect, and connect with second group of signal end of microprocessor.The invention is for improving smart card communications rate and communication stability.
Description
Technical field
This application involves technical field of intelligent card, especially a kind of smart card and its card mode is write.
Background technique
Since smart card not only has preferable information processing capability, also have the advantages that it is small in size and easy to carry, from
And it is widely applied in information security field.In general, smart card includes card interface module, MCU (Micro
Controller Unite, microprocessor) and functional chip (for example, having the function of RF or security function).
In the smart card with above structure, MCU is responsible for being communicated with outside, and configures to functional chip.
In the prior art, as follows to the configuration process of functional chip: card reader is communicated with card interface module, and card interface module and MCU are logical
Letter, MCU are communicated with functional chip, and then realize the configuration to functional chip.
By the above it is found that the configuration process of functional chip is cumbersome in the prior art, so cause traffic rate low and
It is poor to communicate stability.
Summary of the invention
The purpose of the present invention is to provide a kind of smart cards, can be improved communication news rate and communication stability.
In order to achieve the above objectives, the present invention provides a kind of smart card, adopts the following technical scheme that
The smart card includes card interface module, microprocessor and functional chip, and wherein card interface module includes first group of touching
Point and second group of contact, microprocessor include first group of signal end and second group of signal end；Further, the of card interface module
The connection of first group of signal end of one group of contact and microprocessor, second group of signal end of microprocessor and each signal of functional chip
End connection, second group of contact of card interface module and each signal end of functional chip connect, and second group of letter with microprocessor
Number end connection.
Wherein, card interface module includes contact C1~C8, wherein contact C4, C6 and C8 are second group of contact, with function core
Each signal end of piece connects, so as to be SPI interface between card interface module and functional chip, contact C4, C6 and C8 also with micro- place
Second group of signal end connection of device is managed, so as to be SPI interface, contact C1, C2, C3, C5 between card interface module and microprocessor
It is first group of contact with C7, is connect with first group of signal end of microprocessor, so as to be between microprocessor and card interface module
7816 interfaces.
The functional chip further includes memory, for storing different types of data and application software.
The microprocessor further includes CPU and memory, for controlling the read-write of card interface module；Calling function chip is deposited
The data of storage；And the application software stored on operation function chip.
Preferably, the card interface module further includes receiving FIFO (First In First Out, first in first out) caching
Area and transmission FIFO buffer area, in which: receive FIFO buffer area and be used to receive data from microprocessor and/or functional chip；Hair
Send FIFO buffer area for microprocessor and/or functional chip will to be sent to from external received external data.
Preferably, the card interface module further includes receiving end setting register and transmitting terminal setting register, in which: is connect
Receiving end setting register is used to receive the address of cache of FIFO buffer area to microprocessor and/or functional chip；Transmitting terminal is set
Register is set for the address of cache of FIFO buffer area will to be sent to the microprocessor and/or functional chip.
Smart card provided by the invention is with structure as described above, so that between card interface module and functional chip
It can directly be communicated, and then only need to communicate card reader with card interface module, and card interface module and functional chip are logical
Letter, can be completed the configuration to functional chip, and then can effectively improve traffic rate and communication stability.
The application also provides a kind of writing smart card mode, adopts the following technical scheme that
The writing smart card mode is applied to the smart card with structure described above, which includes:
By the interface between card interface module and functional chip, functional chip is directly configured.
Further, contact C4, C6 and C8 and function that the writing smart card mode includes especially by card interface module
SPI interface between energy chip, directly configures functional chip.
Preferably, the writing smart card mode further include: contact C4, C6 and the C8 for including by card interface module with
SPI interface between microprocessor carries out COS system loads to microprocessor.
Preferably, the writing smart card mode further include: the signal pair on the C2 of contact for including by card interface module
7816 or SPI interface between card interface module and functional chip or microprocessor carry out Selection and call, wherein on the C2 of contact
When signal is high level, Selection and call is carried out to 7816 interfaces, when the signal on the C2 of contact is low level, SPI interface is carried out
Selection and call；Alternatively, carrying out Selection and call to 7816 interfaces, the signal on the C2 of contact when the signal on the C2 of contact is low level
When for high level, Selection and call is carried out to SPI interface.
Preferably, the writing smart card mode further include: receive FIFO buffer area from microprocessor and/or function core
Piece receives data；Microprocessor and/or functional chip will be sent to from external received external data by sending FIFO buffer area.
Preferably, the writing smart card mode further include: the ground that register will receive FIFO buffer area is arranged in receiving end
Location is mapped to microprocessor and/or functional chip；Register, which is arranged, in transmitting terminal will send the address of cache of FIFO buffer area to micro-
Processor and/or functional chip.
In writing smart card mode provided by the invention, can directly it be led between card interface module and functional chip
Letter, and then only need to communicate card reader with card interface module, and card interface module is communicated with functional chip, it can be completed to function
The configuration of energy chip, and then traffic rate and communication stability can be effectively improved.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application can also be obtained according to these attached drawings other for those of ordinary skill in the art
Attached drawing.
Fig. 1 is the structure chart of smart card；
Fig. 2 is smartcard internal communication link map interlinking；
Fig. 3 is SPI interface communication sequential chart；
Fig. 4 is the flow chart directly configured by SPI interface to functional chip；
Fig. 5 is the flow chart for carrying out COS system loads to microprocessor by SPI interface.
Fig. 5 is that smart card writes card mode flow chart.
Description of symbols:
1- smart card；2- microprocessor；3- functional chip；4- card interface module；5-7816 interface；6-SPI interface；7-
Data output point；8- data sampling point；The first group of contact 501-；601- refers to second group of contact；First group of signal end of 201-；202-
Second group of signal end；301- functional chip signal end；The memory of 302- functional chip；203- memory；204-CPU；602- connects
Receive setting register；603- sends setting register；604 1 receive FIFO buffer area；605- sends FIFO buffer area；401-
SSEL (device selection line)；402-SCLK (clock line)；403-MOSI (output signal line)；404-MISO (input signal cable).
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of smart cards, as shown in Figure 1, the smart card 1 includes microprocessor 2, function core
Piece 3 and card interface module 4, wherein card interface module 4 includes first group of contact 501 and second group of contact 601, and microprocessor 2 wraps
Include first group of signal end 201 and second group of signal end 201；Further, first group of contact 501 of card interface module 4 and Wei Chu
First group of signal end 201 connection of device 2 is managed, second group of signal end 202 of microprocessor 2 and each signal end of functional chip 3 connect
Connect 301, second group of contact 601 of card interface module 4 is connect with each signal end 301 of functional chip 3, and with microprocessor 2
Second group of signal end 202 connects.
Illustratively, smart card can be financial IC card, health card, mobile payment card, ETC quickly through card and public friendship
Logical card etc. is able to satisfy the IC card of a certain functional management, wherein when smart card be ETC quickly through card when, include car owner's letter in card
Cease and supplement remaining sum with money etc., user only needs to drive slowly, when vehicle reaches soon toll station window, ETC card reader and user's vehicle
Interior ETC carries out radio communication quickly through card, and system deducts bar of blocking the way while exercising travelling expenses and lifts, directly passes through.
Those skilled in the art can select according to actual needs, and the present embodiment is to this without limiting.
Specifically, as shown in Fig. 2, card interface module 4 includes contact C1~C8, wherein contact C4, C6 and C8 are second
Contact 601 is organized, contact C4, C6 and C8 in the prior art are the contact RFU (Reserved for Further Use), to incite somebody to action
Come Function Extension and design, the present invention exactly to contact C4, C6 and C8 carried out extension be used, make contact C4, C6 and
C8 is connect with each signal end 301 of functional chip 3, so as to be SPI interface 6 between card interface module 4 and functional chip 3, in turn
Improve the communication stability of smart card；Contact C4, C6 and C8 are also connect with second group of signal end 202 of microprocessor 2, so that
It is SPI interface 6 between card interface module 4 and microprocessor 2, and then improves the communication speed of smart card；Contact C1, C2, C3,
C5 and C7 is first group of contact 501, is connect with first group of signal end 201 of microprocessor 2, so that microprocessor 2 and card interface
It is 7816 interfaces 5 between module 4.
Further, by the signal on the C2 of contact between card interface module 4 and functional chip 3 or microprocessor 2
7816 or SPI interface carry out Selection and call, wherein when signal on the C2 of contact is high level, selection tune is carried out to 7816 interfaces
With when the signal on the C2 of contact is low level, to SPI interface progress Selection and call；Alternatively, the signal on the C2 of contact is low electricity
Usually, Selection and call is carried out to 7816 interfaces, when the signal on the C2 of contact is high level, Selection and call is carried out to SPI interface.
Wherein, SPI interface 6 described in the present embodiment is that a kind of high speed, full duplex, synchronous communication bus expand according to Fig. 2
Exhibition realizes that four signal wires of SPI interface are SSEL (device selection line) 401, SCLK (clock line) 402, MOSI (output respectively
Signal wire) 403 and MISO (input signal cable) 404, wherein SSEL: from equipment chip select enable signal, if being low from equipment
It if level is enabled, after dragging down this pin, will be selected from equipment, host and this selected slave are led to
Letter；SCLK: clock signal；MOSI: host sends the channel of instruction or data to slave；MISO: the shape of host reading slave
The channel of state or data.
Specifically, Fig. 3 is SPI interface communication succession figure, CPOL=1 is indicated when data are not sent and after being sent,
SLCK is high level, carries out data input when SLCK first is along 7, and MOSI and MISO can change, when to SLCK the
Two along 8 when be read out data.
Further, functional chip 3 further includes memory 302, for storing different types of data and using algorithm.It can
Selection of land, storage content include verifying the algorithm of card reader permission, the key being verified, card number and data field etc..Illustratively,
Data field includes saving remaining sum, applying for card the date again, user's information etc..
Further, microprocessor 2 further includes CPU204 and memory 203, wherein memory 203 is for storing COS instruction generation
Intermediate data in code and calculating process；When smart card 1 executes read-write operation, CPU loads COS system command, and responds outer
The instruction that boundary's equipment sends card.Illustratively, including verifying calculates, and reads and writes data, and key is written in card reading number, locks number
According to area, the related setting of illegal operation auto-destruct card, the operation of verifying card reader permission etc..
Preferably, card interface module 4 further includes receiving FIFO buffer area 604 and transmission FIFO buffer area 605, wherein is connect
FIFO buffer area 604 is received for receiving the data transmitted from microprocessor 2 or functional chip 3；FIFO buffer area 605 is sent to use
In microprocessor 2 or functional chip 3 will be sent to from the received external data of card interface module 4.
Further, card interface module 4 further includes receiving end setting register and transmitting terminal setting register, wherein is connect
Setting register is received for the address of cache of FIFO buffer area will to be received to the address space of microprocessor 2 and functional chip 3；
Setting register is sent for the address of cache of FIFO buffer area will to be sent to the address space of microprocessor 2 and functional chip 3,
This makes CPU that the data in fifo buffer can be used directly by way of address of cache, is not required to carry out the behaviour of data-moving
Make, so that data transmission bauds is fast in smart card 1, efficiently and flexibly.
In addition, the embodiment of the present invention also provides a kind of writing smart card mode, which is applied to have
The smart card of structure described above, the writing smart card mode include: by the interface between card interface module and functional chip,
Functional chip is directly configured.
Wherein, contact C4, C6 and C8 and function core that the writing smart card mode includes especially by card interface module
SPI interface between piece directly configures functional chip, as shown in figure 4, above-mentioned steps specifically include:
Step S301, card reader is powered on smart card close to smart card；
Step S302, it selects to establish SPI interface communication between card interface module and functional chip by contact C2；
Step S303, when SPI is enabled, functional module directly receives configuration information by input signal cable；
Step S304, functional module passes through output signal line synchronism output confirmation message；
Step S305, until data end of transmission, SPI goes to enable.
It can directly be communicated between card interface module and functional chip it can be seen from above step, and then only be needed
It communicates card reader with card interface module, and card interface module is communicated with functional chip, can be completed and functional chip is matched
It sets, and then traffic rate and communication stability can be effectively improved.
Preferably, the writing smart card mode further include: contact C4, C6 and the C8 for including by card interface module with
SPI interface between microprocessor carries out COS system loads to microprocessor, as shown in figure 5, above-mentioned steps specifically include:
Step S201, card reader is powered on smart card close to smart card；
Step S202, it selects to establish SPI interface communication between card interface module and microprocessor by contact C2；
Step S203, when SPI is enabled, CPU is by input signal cable, and load COS instruction, response external card reader is to it
The instruction of transmission；
Step S204, microprocessor passes through output signal line synchronism output processing result；
Step S205, until data end of transmission, SPI goes to enable.
Preferably, the writing smart card mode further include: the signal pair on the C2 of contact for including by card interface module
7816 or SPI interface between card interface module and functional chip or microprocessor carry out Selection and call, wherein on the C2 of contact
When signal is high level, Selection and call is carried out to 7816 interfaces, when the signal on the C2 of contact is low level, SPI interface is carried out
Selection and call；Alternatively, carrying out Selection and call to 7816 interfaces, the signal on the C2 of contact when the signal on the C2 of contact is low level
When for high level, Selection and call is carried out to SPI interface.
Preferably, the writing smart card mode further include: receive FIFO buffer area from microprocessor and/or function core
Piece receives data；Microprocessor and/or functional chip will be sent to from external received external data by sending FIFO buffer area.
Preferably, the writing smart card mode further include: the ground that register will receive FIFO buffer area is arranged in receiving end
Location is mapped to microprocessor and/or functional chip；Register, which is arranged, in transmitting terminal will send the address of cache of FIFO buffer area to micro-
Processor and/or functional chip.
Illustratively, as shown in fig. 6, being equipped with the smart card for receiving FIFO buffer area and sending FIFO buffer area as described above
Card mode of writing include:
Step S1, card reader is communicated by contact or cordless with SPI interface foundation；
Step S2, the data at card reader end, which are temporarily stored in, sends FIFO buffer area；
Step S3, setting register is sent by the memory of the address of cache of transmission FIFO buffer area to the microprocessor
Address space；
Step S4, CPU directly passes through the external data that ground mapping address access sends FIFO buffer area；
Step S5, setting register is received by the memory of the address of cache of reception FIFO buffer area to the microprocessor
Address space；
Step S6, it receives FIFO buffer area and CPU operational data is directly received by mapping address.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.Obviously, those skilled in the art can be to the application
Various modification and variations are carried out without departing from spirit and scope.If in this way, these modifications and variations of the application
Belong within the scope of the claim of this application and its equivalent technologies, then the application is also intended to encompass these modification and variations and exists
It is interior.
Claims (8)
1. a kind of smart card, it is characterised in that: including card interface module, microprocessor and functional chip, card interface module includes
First group of contact and second group of contact, microprocessor include first group of signal end and second group of signal end；Wherein, card interface module
First group of contact and first group of signal end of microprocessor connect, second group of signal end of microprocessor and functional chip it is each
Signal end connection, second group of contact of card interface module and each signal end of functional chip connect, and second with microprocessor
Group signal end connection；
Card interface module includes contact C1~C8, wherein contact C4, C6 and C8 are second group of contact, each letter with functional chip
Number end connection, so as to be SPI interface between card interface module and functional chip, contact C4, C6 and C8 also with microprocessor the
The connection of two groups of signal ends, so as to be SPI interface between card interface module and microprocessor, contact C1, C2, C3, C5 and C7 are the
One group of contact is connect with first group of signal end of microprocessor, so as to be 7816 interfaces between microprocessor and card interface module；
By the signal on the C2 of contact to 7816 interfaces or SPI interface between card interface module and functional chip or microprocessor
Selection and call is carried out, specifically:
If the signal on the C2 of contact is high level, Selection and call is carried out to 7816 interfaces, the signal on the C2 of contact is low level
When, Selection and call is carried out to SP PCI interface；
Or, the signal on the C2 of contact is high electricity if carrying out Selection and call to 7816 interfaces when the signal on the C2 of contact is low level
Usually, Selection and call is carried out to SPI interface.
2. smart card as described in claim 1, it is characterised in that: the card interface module further include receive FIFO buffer area and
Send FIFO buffer area, in which:
FIFO buffer area is received to be used to receive data from microprocessor and/or functional chip；
FIFO buffer area is sent for microprocessor and/or functional chip will to be sent to from external received external data.
3. smart card as claimed in claim 2, it is characterised in that: the card interface module further includes receiving end setting register
Register is set with transmitting terminal, in which:
Receiving end setting register is used to receive the address of cache of FIFO buffer area to microprocessor and/or functional chip；
Transmitting terminal setting register is used to send the address of cache of FIFO buffer area to microprocessor and/or functional chip.
4. a kind of writing smart card mode, it is characterised in that: smart card as claimed in any one of claims 1 to 3 is applied, it is described
Writing smart card mode includes:
By the interface between card interface module and functional chip, functional chip is directly configured；
The method also includes: the signals on the C2 of contact for including by card interface module to card interface module and functional chip or
7816 or SPI interface between microprocessor carry out Selection and call, wherein when the signal on the C2 of contact is high level, to 7816
Interface carries out Selection and call, when the signal on the C2 of contact is low level, carries out Selection and call to SPI interface；Alternatively, on the C2 of contact
Signal when being low level, Selection and call is carried out to 7816 interfaces, when the signal on the C2 of contact is high level, to SPI interface into
Row Selection and call.
5. writing smart card mode as claimed in claim 4, it is characterised in that: the contact C4 that includes by card interface module,
SPI interface between C6 and C8 and functional chip directly configures functional chip.
6. writing smart card mode as claimed in claim 4, it is characterised in that: further include: include by card interface module
SPI interface between contact C4, C6 and C8 and microprocessor carries out COS system loads to microprocessor.
7. writing smart card mode as claimed in claim 4, it is characterised in that: further include:
It receives FIFO buffer area and receives data from microprocessor and/or functional chip；
Microprocessor and/or functional chip will be sent to from external received external data by sending FIFO buffer area.
8. writing smart card mode as claimed in claim 7, it is characterised in that: further include:
Register is arranged by the address of cache of reception FIFO buffer area to microprocessor and/or functional chip in receiving end；
Register is arranged by the address of cache of transmission FIFO buffer area to microprocessor and/or functional chip in transmitting terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610475985.2A CN106203574B (en) | 2016-06-24 | 2016-06-24 | A kind of smart card and its write card mode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475985.2A CN106203574B (en) | 2016-06-24 | 2016-06-24 | A kind of smart card and its write card mode |
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| CN106203574A CN106203574A (en) | 2016-12-07 |
| CN106203574B true CN106203574B (en) | 2019-05-24 |
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| CN201610475985.2A Active CN106203574B (en) | 2016-06-24 | 2016-06-24 | A kind of smart card and its write card mode |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107315975B (en) * | 2017-06-01 | 2019-08-20 | 华南理工大学 | Principal and subordinate's cooperative control system and method in a kind of IC card large size card maker |
| CN109726605B (en) * | 2018-12-27 | 2022-06-10 | 恒宝股份有限公司 | eSIM intelligent card and working method thereof |
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| CN1873634A (en) * | 2005-06-01 | 2006-12-06 | 上海奇码数字信息有限公司 | Card controller, and method for controlling IC card |
| CN101004798A (en) * | 2006-12-30 | 2007-07-25 | 凤凰微电子（中国）有限公司 | Smart card of supporting high performance computing, large capacity storage, high-speed transmission, and new type application |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5078915B2 (en) * | 2006-02-17 | 2012-11-21 | ケーティーフリーテル・カンパニー・リミテッド | IC card, terminal equipped with IC card, and initialization method thereof |
-
2016
- 2016-06-24 CN CN201610475985.2A patent/CN106203574B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873634A (en) * | 2005-06-01 | 2006-12-06 | 上海奇码数字信息有限公司 | Card controller, and method for controlling IC card |
| CN101004798A (en) * | 2006-12-30 | 2007-07-25 | 凤凰微电子（中国）有限公司 | Smart card of supporting high performance computing, large capacity storage, high-speed transmission, and new type application |
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