CN205450200U - A tester for $touching chip - Google Patents
A tester for $touching chip Download PDFInfo
- Publication number
- CN205450200U CN205450200U CN201620197778.0U CN201620197778U CN205450200U CN 205450200 U CN205450200 U CN 205450200U CN 201620197778 U CN201620197778 U CN 201620197778U CN 205450200 U CN205450200 U CN 205450200U
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- China
- Prior art keywords
- interface
- main pcb
- master cpu
- pcb plate
- tester
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- Expired - Fee Related
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Abstract
The utility model discloses a tester for $touching chip, include: the casing, locate display screen on the casing outer wall, locate display screen PCB board and main PCB board in the casing. One side of main PCB board is equipped with main display screen connector, be equipped with on the display screen PCB board with the vice display screen connector of this main display screen connector complex, main PCB board is equipped with master control CPU, SRAM, RTC chip, SD draw -in groove, ADC chip, RTC chip, to external tapping and external IO interface etc.. The utility model discloses testing speed is fast, supports the off -line to burn the record, and the test of compatible multiple touch chip need not to change the hardware testing tool, very big has made things convenient for product line staff.
Description
Technical field
This utility model relates to chip testing jig field, particularly relates to a kind of tester for touching chip.
Background technology
Along with growth in the living standard, touch screen is widely used in each electronic product, and of a great variety owing to touching chip, manufacturer runs into various problem in production test procedure.On market, existing measurement jig needs to use multiple types of tools, including computer, test board, upper computer software etc., concrete testing procedure is: first install the software of product to be tested on computers, test board is the connection bridge of computer and product to be tested, after computer, test board, product to be tested are connected, operating computer sends instructions to test board, after the instruction number that test board receives, product is read data, being transferred to computer through test board again after digital independent, last computer compares the data received with the data of genuine.
There is following defect in this measurement jig: 1, test product needed connects computer, uses underaction；2, test speed is slow, has a strong impact on production efficiency；3, the chip that touches of different manufacturers needs install corresponding PC software and change corresponding hardware testing instrument, produces line employee and easily makes mistakes, causes the loss of company.
Utility model content
For solving above-mentioned technical problem, the utility model proposes a kind of tester for touching chip, the test of this tester test speed multiple touch chip fast, compatible and flexible and convenient operation.
The technical solution adopted in the utility model is, designs a kind of tester for touching chip, including: housing, the display screen being located on housing exterior walls, the display screen pcb board being located in housing and main PCB plate.
The side of main PCB plate is provided with main display adapter, display screen pcb board is provided with the secondary display screen adapter coordinated with this main display adapter, the centre position of main PCB plate is provided with the static RAM (SRAM) that master cpu electrically connects and the RTC chip electrically connected with master cpu with master cpu, the top of main PCB plate is provided with SD draw-in groove, the SDIO interface electrically connected with master cpu it is provided with in SD draw-in groove, the bottom of main PCB plate is provided with the external interface electrically connected with master cpu, and master cpu uses STM32 chip.
Wherein, external interface is I2C/SPI interface and power output interface, and power output interface can configure four-way power supply output, is provided with electrical connection master cpu and the ADC chip of power output interface in the middle part of main PCB plate.
Preferably, main PCB plate top is additionally provided with the USB interface electrically connected with master cpu.
Preferably, main PCB plate top is additionally provided with the network joint electrically connected with master cpu.
Preferably, being additionally provided with external I/O interface bottom main PCB plate, be provided with the external I/O interface of electrical connection and the serial communication chip of master cpu in the middle part of main PCB plate, external I/O interface is 16PIN interface.
Preferably, it is provided with, in the middle part of main PCB plate, the button electrically connected with master cpu the most side by side.
Compared with prior art, this utility model is provided with display screen, display screen pcb board and main PCB plate in housing, main PCB plate is provided with master cpu and Peripheral Interface, directly carry out product showing under digital independent, test speed is fast, and tool of the prior art to read data by test board as bridge, the operating system scheduling of computer is also required to the time.Meanwhile, on main PCB plate, concentrated setting has various chips and Datalink Interface, supports off line burning, the test of compatible multiple touch chip, it is not necessary to change hardware testing instrument, greatly facilitates product line employee.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, this utility model is described in detail, wherein:
Fig. 1 is the arrangement of elements schematic diagram of this utility model main PCB plate；
Fig. 2 is the arrangement of elements schematic diagram of this utility model display screen pcb board.
Detailed description of the invention
As shown in Figure 1, 2, the tester that the utility model proposes, including: housing, the display screen being located on housing exterior walls, the display screen pcb board being located in housing and main PCB plate.
The centre position of main PCB plate is provided with the static RAM (SRAM) 5 that master cpu 4 electrically connects and the RTC chip 7 electrically connected with master cpu 4 with master cpu 4, and master cpu 4 is the CPU of ARM32 position Cortex-M3 kernel, uses STM32 chip.The side of main PCB plate is provided with the main display adapter 6 being connected with master cpu 4, and display screen pcb board is provided with the secondary display screen adapter 13 coordinated with this main display adapter 6.The top of main PCB plate is provided with SD draw-in groove 3, is provided with the SDIO interface electrically connected with master cpu 4 in SD draw-in groove 3.In advance the data of touch chip to be measured is put into SD card, during test, SD card is inserted in SD draw-in groove 3, master cpu 4 is by the data of the touch chip to be measured in SDIO interface reading SD card, then the data read being shown by display screen, operator just can be clearly seen that the model of product to be measured and the information of test event.
The bottom of main PCB plate is provided with the external interface 11 electrically connected with master cpu 4, external interface 11 is I2C/SPI interface and power output interface, master cpu 4 carries out communication by I2C interface with test product, the data that the real data of reading product and genuine are given compare, real data in the range of genuine is given then display screen display OK, the scope then display screen display NG be given beyond genuine, finally the real data read out is generated a Log file to be saved in SD card, master cpu 4 and RTC chip 7 are by I2C mode, test Log is left in the time by date under the LOG catalogue of SD card.
Power output interface can configure four-way power supply output 0 ~ 4.096V, 8 output accuracies, it is provided with electrical connection master cpu 4 and the ADC chip 9 of power output interface in the middle part of main PCB plate, uses 24 high-speed ADC chips 9 of high-performance to realize four-way power supply from 1 microampere ~ 2.5 peace current measurements.
Preferably, main PCB plate top is additionally provided with the usb 1 electrically connected with master cpu 4, and engineering staff can connect USB interface with computer direct, directly reads the Log of SD card to analyze bad product.Further, main PCB plate top is additionally provided with the network joint 2 electrically connected with master cpu 4, and the server being uploaded to company by 2 product test data of network joint is preserved, in order to transfers and is analyzed.Further, external I/O interface 12 it is additionally provided with bottom main PCB plate, the external I/O interface 12 of electrical connection and the serial communication chip 10 of master cpu 4 it is provided with in the middle part of main PCB plate, scanner can be connected by external I/O interface 12, can directly scan product and be read out data, externally I/O interface 12 is 16PIN interface, can be by the test system of one automatization of 16PIN interface component.
In the present embodiment, being provided with the button 8 electrically connected with master cpu 4 in the middle part of main PCB plate the most side by side, button 8 is to there being different test functions, and operator select the test function of tester by pressing different buttons 8.Housing is provided with the key hole coordinated with button 8 position, and housing is additionally provided with the jack coordinated with each interface position on main PCB plate,
This utility model test speed is fast, supports off line burning and test, USB reading and writing of files, DC5V operation, it is not necessary to connects computer direct and taps into row unit operation, compact, simple to operation, is suitable for any environmental testing.Tool on the market can only be tested by one_to_one corresponding, it is impossible to the test of other producer compatible；And this utility model not only can test new think of TP touch-control IC, the test event of completely compatible SynapticsDesignStudio4/5, the test of MPC03 and MPC04 can be substituted completely, but also be integrated with Focatal, Goodix, CYPRESS4 and close 1 even burning band survey, without changing hardware testing instrument, greatly facilitate product line employee.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (9)
1. the tester being used for touching chip, including: housing, the display screen being located on housing exterior walls, the display screen pcb board being located in housing and main PCB plate, the side of described main PCB plate is provided with main display adapter (6), described display screen pcb board is provided with the secondary display screen adapter (13) coordinated with this main display adapter (6), it is characterized in that
The centre position of described main PCB plate is provided with the static RAM (5) that master cpu (4) electrically connects and the RTC chip (7) electrically connected with master cpu (4) with master cpu (4), the top of described main PCB plate is provided with SD draw-in groove (3), being provided with the SDIO interface electrically connected with described master cpu (4) in described SD draw-in groove (3), the bottom of described main PCB plate is provided with the external interface (11) electrically connected with described master cpu (4).
2. tester as claimed in claim 1, it is characterised in that described external interface (11) is I2C/SPI interface and power output interface.
3. tester as claimed in claim 2, it is characterised in that described power output interface can configure four-way power supply output, is provided with electrical connection master cpu (4) and the ADC chip (9) of power output interface in the middle part of described main PCB plate.
4. tester as claimed in claim 1, it is characterised in that described main PCB plate top is additionally provided with the USB interface (1) electrically connected with master cpu (4).
5. tester as claimed in claim 1, it is characterised in that described main PCB plate top is additionally provided with the network joint (2) electrically connected with master cpu (4).
6. tester as claimed in claim 1, it is characterised in that be additionally provided with external I/O interface (12) bottom described main PCB plate, be provided with the described external I/O interface (12) of electrical connection and the serial communication chip (10) of master cpu (4) in the middle part of described main PCB plate.
7. tester as claimed in claim 6, it is characterised in that described external I/O interface (12) is 16PIN interface.
8. tester as claimed in claim 1, it is characterised in that be provided with the button (8) electrically connected with master cpu (4) in the middle part of described main PCB plate the most side by side.
9. tester as claimed in claim 1, it is characterised in that described master cpu uses STM32 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197778.0U CN205450200U (en) | 2016-03-15 | 2016-03-15 | A tester for $touching chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197778.0U CN205450200U (en) | 2016-03-15 | 2016-03-15 | A tester for $touching chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205450200U true CN205450200U (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620197778.0U Expired - Fee Related CN205450200U (en) | 2016-03-15 | 2016-03-15 | A tester for $touching chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205450200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125370A (en) * | 2016-08-29 | 2016-11-16 | 深圳市创元微电子科技有限公司 | A kind of lcd panel test and lcd touch burning device and method of testing thereof |
-
2016
- 2016-03-15 CN CN201620197778.0U patent/CN205450200U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125370A (en) * | 2016-08-29 | 2016-11-16 | 深圳市创元微电子科技有限公司 | A kind of lcd panel test and lcd touch burning device and method of testing thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |