CN114184935A - ATE board card state display device and display method - Google Patents
ATE board card state display device and display method Download PDFInfo
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- CN114184935A CN114184935A CN202111443880.6A CN202111443880A CN114184935A CN 114184935 A CN114184935 A CN 114184935A CN 202111443880 A CN202111443880 A CN 202111443880A CN 114184935 A CN114184935 A CN 114184935A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 52
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 5
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/025—General constructional details concerning dedicated user interfaces, e.g. GUI, or dedicated keyboards
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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Abstract
A device and test method for ATE board card status display, the device includes central processing module and alarm module; the central processing module is connected with a main control board card, a temperature monitoring board and N digital board cards which are positioned in different fixed slot positions in the test head, and comprises a timing polling unit and a display unit. Therefore, the invention judges the state of each board card aiming at traversing each slot position in the main cabinet and the test head, visually displays the basic information of each slot position on the interface, and dynamically refreshes the information of each board card through a polling mechanism, thereby clearly showing the state to a user at the first time and providing an efficient and reliable state display function of the ATE board card.
Description
Technical Field
The invention relates to the field of Automatic Test Equipment (ATE for short) of semiconductors, in particular to an ATE board card state display device and a display method.
Background
In recent two years, due to the influence of international situation, the unprecedented trend of domestic integrated circuit enterprises is rapidly developed. With the need for upstream and downstream industry chain collaboration, the demand for automated semiconductor test machines (ATE) has grown year by year. Chip testers usually have a need to check the board status during the use of ATE.
At present, information such as board card slot positions, board card types and board card states is acquired through an equipment scanning function, however, the mode is often not intuitive enough, particularly, when the board card state changes, the state cannot be refreshed in real time, a user needs to actively scan again, and in the prior art, the equipment scanning function cannot realize that multiple users of an upper computer grab simultaneously, so that the user can check the information, and much inconvenience is brought.
It will be clear to those skilled in the art that integrated circuit test equipment places higher demands on efficiency and convenience than other equipment. Therefore, there is a need for a method for displaying the status of ATE cards.
Disclosure of Invention
The invention aims to solve the problems and provides an efficient and reliable state display method, so that a user can provide a more convenient ATE board state display function.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an ATE board card state display device comprises a central processing module, wherein the central processing module is connected with a main control board card, a temperature monitoring board and N digital board cards which are positioned in different fixed slot positions in a test head, the main control board card is used for message distribution and central exchange, and state parameters of the main control board card are a connected state (MR _ connect) and a running state (Fan) of a Fan of the main control board card; the temperature monitoring board is responsible for regulating and controlling the liquid cooling equipment, and the state parameters of the temperature monitoring board are a monitoring board communication state (MC _ connect) and a liquid cooling equipment connection state; the digital board card is used for actually testing a service, and the state parameters of the digital board card are a connection state (DM _ connect) and a PE temperature state; it includes:
the timing polling unit is used for sequentially carrying out state traversal monitoring on the main control board card, the temperature monitoring board and the N digital board cards, obtaining the running states of the main control board card, the temperature monitoring board and the N digital board cards, carrying out real-time monitoring and obtaining respective state parameters;
and the display unit is used for receiving the state parameters of the main control board card, the temperature monitoring board and the N digital board cards and displaying the respective state parameters of the area blocks according to the sub-display of the main control board card, the temperature monitoring board and the N digital board cards.
The system is further characterized by further comprising an alarm device, and when the state parameters of the main control board card, the temperature monitoring board and the N digital board cards in different fixed slot positions exceed a defined range, the central processing module starts the alarm device to alarm.
Further, the display unit is characterized in that the display unit pushes the state parameters of the main control board card, the temperature monitoring board and the N digital board cards through a data bus, a wireless/wired network and M user display screens in different regions.
In order to achieve the above object, another technical solution of the present invention is as follows: a method for displaying the state of an ATE board card adopts the ATE board card state display device, which comprises the following steps:
step S1: electrifying ATE equipment, carrying out initialization operation on the main control board card IP, obtaining slot position information of the temperature monitoring board and the N digital board cards, and displaying each state of state parameters of the main control board card, the temperature monitoring board and the N digital board cards as an initial state N/A;
step S2, checking the connection state (MR _ connect) of the main control board card and the running state (Fan) of the Fan of the main control board card, if the connection of the state parameters of the main control board card is detected to be normal within the overtime range, the Fan is started, then the step S3 is carried out, otherwise, a corresponding prompt is carried out on the user, and the program is ended;
and step S3, checking the connection state (MC _ connect) of the monitoring board of the temperature monitoring board and the connection state of the liquid cooling equipment, if the connection is detected to be normal within the overtime range and the CDU is on-line, performing step S4, otherwise, performing corresponding prompt on the user and exiting the program.
Step S4, traversing and acquiring the slot position information of the N digital board cards to obtain all powered digital board cards;
step S5, displaying hot start information in a corresponding display area of the display unit for the N digital board cards which are powered but not communicated, if the communication is detected to be normal within an overtime range, performing step 6, otherwise, setting the corresponding board cards to be in a hot start state;
step S6, performing PE temperature detection on normal boards with the state parameter of the digital board card being in a connected state (DM _ connect), and if the temperature of the PE of any one of the digital board cards exceeds a defined range, setting the digital board card as abnormal and prompting a user; after the completion, the steps S2-S6 are continuously executed to update the information of the display unit in real time.
According to the technical scheme, the device and the method for displaying the state of the ATE board card are used for traversing each slot position in the host cabinet and the test head, judging the state of each board card, marking the basic information of each slot position by different characters and colors, visually displaying the basic information on an interface, and dynamically refreshing the information of each board card through a polling mechanism, so that the state is clearly displayed to a user at the first time. It obtains the following technical effects:
firstly, state detection of the liquid cooling equipment and the fan device is realized;
state change of the board card after restarting can be clearly displayed, and a user is helped to judge whether the service board card is available;
finding out the internal temperature condition of each digital board card, judging whether the temperature meets the requirement of the central temperature, and warning the user if necessary;
fourthly, the upper computer can be used by multiple users.
Drawings
FIG. 1 is a schematic diagram of an ATE board status display device according to an embodiment of the present invention
FIG. 2 is a schematic flow chart illustrating an ATE board status display method according to an embodiment of the present invention
FIG. 3 is a diagram of a result display interface for each state according to an embodiment of the present invention
FIG. 4 is a diagram of an interface for indicating abnormal results according to an embodiment of the present invention
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying fig. 1-2.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating an ATE board status display device according to an embodiment of the present invention. As shown in fig. 1, the ATE board status display device includes a central processing module, a display unit, and an alarm module. The central processing module is connected with a main control board card, a temperature monitoring board and N digital board cards which are positioned in different fixed slot positions in the test head.
The master control board card is used for message distribution and central exchange, and the state parameters of the master control board card are a connected state (MR _ connect) and an operating state (Fan) of a Fan of the master control board card.
Specifically, in an ATE system, a master board card is located in a fixed slot position in the whole ATE system, which mainly plays roles of message distribution and central switching, and is a prerequisite guarantee that other board cards inside a test head can normally communicate.
The fan connected to the main control board card is an important component for controlling the temperature in the test head, so that the running condition of the fan of the main control board card needs to be displayed. Main state parameters of the main control board card:
| MR_connect | Fan | display the |
| 1 | 1 | Normal + Green |
| 1 | 0 | Absormal + orange |
| 0 | N/A | Abnormal + light grey |
Wherein, MR _ connect: 0, no connection; 1, communicating;
fan: 0, the electric fan is not turned on; 1, the electric fan is started.
In the embodiment of the invention, the temperature monitoring board is responsible for regulating and controlling the liquid cooling equipment, and the state parameters of the temperature monitoring board are the communication state (MC _ connect) of the monitoring board and the connection state of the liquid cooling equipment.
Specifically, the monitoring board in the ATE system, which is responsible for controlling the liquid cooling device, is also located in the fixed slot. Since the liquid cooling system is a prerequisite for normal operation of the board card in the test head, the connection state of the liquid cooling equipment needs to be displayed in real time while the communication state of the monitoring board is displayed.
The main state parameters of the monitoring board are as follows:
| MC_connect | CDU | display the |
| 1 | 1 | Normal + Green |
| 1 | 0 | Absormal + orange |
| 0 | N/A | Abnormal + light grey |
Wherein, MC _ connect: 0, no connection; 1, communication. CDU: 0, the liquid cooling equipment is not on-line; and 1, the liquid cooling equipment is online.
In the embodiment of the present invention, except for the board card for system control, each of the other board cards is a board card for actual test service, that is, a digital board card. The digital board card is used for actually testing services, and the state parameters of the digital board card are a connection state (DM _ connect) and a PE temperature state.
During the startup process of the boards, attention is often paid to the startup state of the boards, so that the connection state of the boards is refined into five cases (see the table below). Because the digital board card contains a plurality of PEs, the PEs need to ensure that the temperature of the PEs is controlled between 40 ℃ and 50 ℃, all the PE temperatures need to be read at first, and if the temperature of any PE exceeds a defined range, the board card is set to be abnormal and prompts a user. The main state parameters of the digital board card are as follows:
| DM_connect | temperature of PE | Display the results |
| 0 | N/A | Absent + dark gray |
| 1 | N/A | Poweroff + light gray |
| 2 | N/A | HotEngine + yellow |
| 3 | 1 | Normal + Green |
| 3 | 0 | Absormal + orange |
DM _ connect: 0, the board card is not in place; 1, the board is in place but not electrified; 2, the board card is electrified and is in starting; and 3, communicating. PE temperature: 0, temperature overrun; 1, the temperature is not exceeded.
In an embodiment of the present invention, the central processing module includes a timed polling unit, a display unit and an alarm module. The timing polling unit is used for sequentially carrying out state traversal monitoring on the main control board card, the temperature monitoring board and the N digital board cards, obtaining the running states of the main control board card, the temperature monitoring board and the N digital board cards, carrying out real-time monitoring on the running states of the main control board card, the temperature monitoring board and the N digital board cards and obtaining respective state parameters; the display unit is used for receiving the state parameters of the main control board card, the temperature monitoring board and the N digital board cards, and displaying the respective state parameters of the area blocks according to the sub-display of the main control board card, the temperature monitoring board and the N digital board cards.
In the embodiment of the present invention, the display unit includes M user display screens in different regions through a data bus, a wireless/wired network, and is configured to push status parameters of the main control board, the temperature monitoring board, and the N digital board cards, where M is greater than or equal to 1.
It needs to be explained that, each slot in the main cabinet and the test head is traversed, the state of each board card is judged, the basic information of each slot is identified by different characters and colors and is visually displayed on an interface, and the information of each board card is dynamically refreshed through a polling mechanism, so that the state is clearly shown to a user at the first time.
In the embodiment of the invention, the alarm module is used for starting the alarm module to alarm when the state parameters of the main control board card, the temperature monitoring board and the N digital board cards in different fixed slot positions exceed the defined range.
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating an ATE board status displaying method according to an embodiment of the present invention. The method for displaying the state of the ATE board card can comprise the following steps:
step S1: and electrifying the ATE equipment, initializing the main control board card, acquiring the slot position information of the temperature monitoring board and the N digital board cards, and displaying the respective states of the state parameters of the main control board card, the temperature monitoring board and the N digital board cards as an initial state N/A. Namely, the ATE equipment is powered on, the control flow is opened, and the start is clicked after the main control board card IP is filled. At this time, the control flow performs an initialization operation.
Step S2, checking the connection state (MR _ connect) of the main control board card and the running state (Fan) of the Fan of the main control board card, if the connection of the state parameters of the main control board card is detected to be normal within the overtime range, the Fan is started, then the step S3 is carried out, otherwise, a corresponding prompt is carried out on the user, and the program is ended;
and step S3, checking the connection state (MC _ connect) of the monitoring board of the temperature monitoring board and the connection state of the liquid cooling equipment, if the connection is detected to be normal within the overtime range and the CDU is on-line, performing step S4, otherwise, performing corresponding prompt on the user and exiting the program.
Step S4, traversing and acquiring the slot position information of the N digital board cards to obtain all powered digital board cards;
step S5, displaying hot start information in a corresponding display area of the display unit for the N digital board cards which are powered but not communicated, if the communication is detected to be normal within an overtime range, performing step 6, otherwise, setting the corresponding board cards to be in a hot start state;
step S6, performing PE temperature detection on normal boards with the state parameter of the digital board card being in a connected state (DM _ connect), and if the temperature of the PE of any one of the digital board cards exceeds a defined range, setting the digital board card as abnormal and prompting a user; after the completion, the steps S2-S6 are continuously executed to update the information of the display unit in real time.
Referring to fig. 3 and 4, fig. 3 is a schematic diagram of result interface displaying states in an embodiment of the present invention, and fig. 4 is a schematic diagram of result interface displaying abnormal states in an embodiment of the present invention. That is, if in the process of continuously acquiring the board state, it is found that a part of channels of a certain board exceeds the upper temperature limit, so that an alarm is generated. The corresponding board prompts the Absnormal to present other color states. The issuing information column also prints out related prompt statements.
And (5) after the step (6) is executed, returning to the step (2) regardless of whether the temperature of the current digital board card is normal, namely, repeatedly executing the steps (2-6) in a polling mode. Through the mode discussed above, the information of each board card is continuously refreshed on the display interface, so that the real-time state is obtained, and the user is informed of the current state of each board card of the ATE at the first time.
In summary, the present invention can realize:
firstly, helping a user to quickly identify the card in-place condition and the communication state of a board in an ATE environment;
secondly, displaying the state of the temperature control assembly in real time, wherein the state comprises the condition of a fan and the condition of liquid cooling equipment;
thirdly, displaying the temperature state of the service board card in real time to realize early warning prompt;
fourthly, the simultaneous checking of multiple users is realized, and the users are independent and do not influence each other;
and fifthly, improving user experience and helping a user to improve the operation efficiency of the ATE equipment.
The above description is only for the preferred embodiment of the present invention, and the embodiment is not intended to limit the scope of the present invention, so that all the equivalent structural changes made by using the contents of the description and the drawings of the present invention should be included in the scope of the present invention.
Claims (4)
1. An ATE board card state display device is characterized by comprising a central processing module, wherein the central processing module is connected with a main control board card, a temperature monitoring board and N digital board cards which are positioned in different fixed slot positions in a test head, the main control board card is used for message distribution and central exchange, and state parameters of the main control board card are a connected state (MR _ connect) and an operating state of a fan of the main control board card; the temperature monitoring board is responsible for regulating and controlling the liquid cooling equipment, and the state parameters of the temperature monitoring board are a monitoring board communication state (MC _ connect) and a liquid cooling equipment connection state; the digital board card is used for actually testing a service, and the state parameters of the digital board card are a connection state (DM _ connect) and a PE temperature state; it includes:
the timing polling unit is used for sequentially carrying out state traversal monitoring on the main control board card, the temperature monitoring board and the N digital board cards, obtaining the running states of the main control board card, the temperature monitoring board and the N digital board cards, carrying out real-time monitoring and obtaining respective state parameters;
and the display unit is used for receiving the state parameters of the main control board card, the temperature monitoring board and the N digital board cards and displaying the respective state parameters of the area blocks according to the sub-display of the main control board card, the temperature monitoring board and the N digital board cards.
2. The ATE board status display apparatus of claim 1, further comprising an alarm module, wherein the central processing module activates the alarm module to alarm when status parameters of the master control board, the temperature monitor board, and the N digital boards at different fixed slots are out of a defined range.
3. The ATE board status display apparatus of claim 1, wherein the display unit comprises M user display screens in different regions via a data bus, a wireless/wired network, and the status parameters of the master control board, the temperature monitoring board, and N digital boards, wherein M is greater than or equal to 1.
4. A method for displaying the status of an ATE board, using the ATE board status display apparatus of claim 1, comprising:
step S1: electrifying ATE equipment, carrying out initialization operation on the main control board card IP, obtaining slot position information of the temperature monitoring board and the N digital board cards, and displaying each state of state parameters of the main control board card, the temperature monitoring board and the N digital board cards as an initial state N/A;
step S2, checking the connection state (MR _ connect) of the main control board card and the running state (Fan) of the Fan of the main control board card, if the connection of the state parameters of the main control board card is detected to be normal within the overtime range, the Fan is started, then the step S3 is carried out, otherwise, a corresponding prompt is carried out on the user, and the program is ended;
and step S3, checking the connection state (MC _ connect) of the monitoring board of the temperature monitoring board and the connection state of the liquid cooling equipment, if the connection is detected to be normal within the overtime range and the CDU is on-line, performing step S4, otherwise, performing corresponding prompt on the user and exiting the program.
Step S4, traversing and acquiring the slot position information of the N digital board cards to obtain all powered digital board cards;
step S5, displaying hot start information in a corresponding display area of the display unit for the N digital board cards which are powered but not communicated, if the communication is detected to be normal within an overtime range, performing step 6, otherwise, setting the corresponding board cards to be in a hot start state;
step S6, performing PE temperature detection on normal boards with the state parameter of the digital board card being in a connected state (DM _ connect), and if the temperature of the PE of any one of the digital board cards exceeds a defined range, setting the digital board card as abnormal and prompting a user; after the completion, the steps S2-S6 are continuously executed to update the information of the display unit in real time.
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