CN201993745U - Card reader testing jig - Google Patents
Card reader testing jig Download PDFInfo
- Publication number
- CN201993745U CN201993745U CN2011200516040U CN201120051604U CN201993745U CN 201993745 U CN201993745 U CN 201993745U CN 2011200516040 U CN2011200516040 U CN 2011200516040U CN 201120051604 U CN201120051604 U CN 201120051604U CN 201993745 U CN201993745 U CN 201993745U
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- card reader
- mcu
- pin
- testing jig
- measurement jig
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Abstract
A card reader testing jig comprises a master control chip MCU (micro control unit), an interface P1, an interface P2, a capacitor C1, a capacitor C2, a capacitor C3, a resistor R1, a stabilivolt D1, a stabilivolt D2 and a stabilivolt D3. The card reader testing jig is small in size, an external USB (universal serial bus) is adopted, and the card reader testing jig can be used as long as being plugged, a PC (personal computer) can be conveniently connected to the testing jig through the USB, card reader data are acquired and processed under the control of the MCU, and a corresponding testing software is connected to a memory card to perform read-write of the data. Online defects of the like card readers in production can be accurately tested by means of the card reader testing jig, and thereby production quality of products can be improved.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of card reader measurement jig.
Background technology
Card reader needed to carry out the computer read test before dispatching from the factory, conventional method of testing be PC after inserting card reader, for the storage cards such as SD card that insert distribute drive, in system, seek the drive of card reader then earlier, read data in the SD card again, confirm the Card Reader performance of card reader with this.The speed of card reader measurement jig and performance be influence card reader the production product key factor, can not underestimate.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and a kind of card reader measurement jig is provided, and test is to confirm the product quality in the card reader production run.
For achieving the above object, provide following technical scheme.
A kind of card reader measurement jig comprises main control chip MCU, interface P1, P2, capacitor C 1, C2 and C3, resistance R 1, stabilivolt D1, D2 and D3; The VBUS pin of the end of the VIO of MCU, VOD, REGIN, VBUS pin, C1 and C2, the end of D3 and P1 is connected in+5V voltage; The GND pin ground connection of the other end of C1 and C2 and MCU; The D+ pin of P1, the D+ pin of MCU are connected in the end of D2; The D-pin of P1, the D-pin of MCU are connected in the end of D1; The other end of D1, D2 and D3 is connected in the shell of P1; The GND pin ground connection of P1; The VPP pin of MCU connects the end of C3, the other end ground connection of C3; The RST pin of MCU connects the end of R1, another termination VIO signal of R1; Four pins of MCU are connected to VBUS, D+, D-and the GND pin of P2.
MCU is AU6471GL.
P1 is connected in the PC USB interface.
P2 is connected in detected card reader.
The SUSPEND of MCU, RI, DCD, DTR, DSR, TXD, RXD, RTS and CTS pin are vacant.
Card reader measurement jig volume of the present utility model is little, but adopt external mode of USB and plug and play, make PC be connected to measurement jig easily by usb bus, under MCU control, carry out the card reader data acquisition and processing (DAP), use corresponding testing software to connect storage card, carry out data write; Can accurately test this type of card reader online bad when producing, improve the production quality.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the circuit diagram of an embodiment of the present utility model.
Embodiment
The utility model is described in further detail with the following Examples.
An embodiment of card reader measurement jig of the present utility model comprises main control chip MCU, interface P1, P2, capacitor C 1, C2 and C3, resistance R 1, stabilivolt D1, D2 and D3 with reference to Fig. 1; The VBUS pin of the end of the VIO of MCU, VOD, REGIN, VBUS pin, C1 and C2, the end of D3 and P1 is connected in+5V voltage; The GND pin ground connection of the other end of C1 and C2 and MCU; The D+ pin of P1, the D+ pin of MCU are connected in the end of D2; The D-pin of P1, the D-pin of MCU are connected in the end of D1; The other end of D1, D2 and D3 is connected in the shell of P1; The GND pin ground connection of P1; The VPP pin of MCU connects the end of C3, the other end ground connection of C3; The RST pin of MCU connects the end of R1, another termination VIO signal of R1; Four pins of MCU are connected to VBUS, D+, D-and the GND pin of P2.
MCU is AU6471GL.
P1 is connected in the PC USB interface.
P2 is connected in detected card reader.
The SUSPEND of MCU, RI, DCD, DTR, DSR, TXD, RXD, RTS and CTS pin are vacant.
The utility model is by linking to each other with computing machine, MCU sends the instruction detect to computing machine by interface, the type of the interface that identification is connected with card reader, and parse the communications protocol/pattern of this interface, make data transmission send to computing machine again, judge whether the card reader of being tested is qualified with the communications protocol standard that is resolved to.
Should be noted that at last; above embodiment only is used to the technical solution of the utility model is described but not to the restriction of the utility model protection domain; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (5)
1. a card reader measurement jig is characterized in that: comprise main control chip MCU, interface P1, P2, capacitor C 1, C2 and C3, resistance R 1, stabilivolt D1, D2 and D3; The VBUS pin of the end of the VIO of MCU, VOD, REGIN, VBUS pin, C1 and C2, the end of D3 and P1 is connected in+5V voltage; The GND pin ground connection of the other end of C1 and C2 and MCU; The D+ pin of P1, the D+ pin of MCU are connected in the end of D2; The D-pin of P1, the D-pin of MCU are connected in the end of D1; The other end of D1, D2 and D3 is connected in the shell of P1; The GND pin ground connection of P1; The VPP pin of MCU connects the end of C3, the other end ground connection of C3; The RST pin of MCU connects the end of R1, another termination VIO signal of R1; Four pins of MCU are connected to VBUS, D+, D-and the GND pin of P2.
2. card reader measurement jig according to claim 1 is characterized in that: MCU is AU6471GL.
3. card reader measurement jig according to claim 1 is characterized in that: P1 is connected in the PC USB interface.
4. card reader measurement jig according to claim 1 is characterized in that: P2 is connected in detected card reader.
5. card reader measurement jig according to claim 1 is characterized in that: the SUSPEND of MCU, RI, DCD, DTR, DSR, TXD, RXD, RTS and CTS pin are vacant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200516040U CN201993745U (en) | 2011-03-01 | 2011-03-01 | Card reader testing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200516040U CN201993745U (en) | 2011-03-01 | 2011-03-01 | Card reader testing jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993745U true CN201993745U (en) | 2011-09-28 |
Family
ID=44670228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200516040U Expired - Fee Related CN201993745U (en) | 2011-03-01 | 2011-03-01 | Card reader testing jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058143A (en) * | 2019-04-17 | 2019-07-26 | 苏州浪潮智能科技有限公司 | A kind of novel server board Bode diagram test fixture and its application method |
-
2011
- 2011-03-01 CN CN2011200516040U patent/CN201993745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058143A (en) * | 2019-04-17 | 2019-07-26 | 苏州浪潮智能科技有限公司 | A kind of novel server board Bode diagram test fixture and its application method |
| CN110058143B (en) * | 2019-04-17 | 2021-08-06 | 苏州浪潮智能科技有限公司 | Baud chart jig and using method 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20160301 |