JTAG接口
JTAG Pinouts
10-pin JTAG/SWD
| Name | Pin | Pin | Name |
|---|
| Vref | 1 | 2 | SWDIO/TMS |
|---|
| GND | 3 | 4 | SWDCLK/TCLK |
|---|
| GND | 5 | 6 | SWO/TDO |
|---|
| - | 7 | 8 | NC/TDI |
|---|
| GNDDetect | 9 | 10 | nRESET |
|---|
ARM-20 JTAG
| Name | Pin | Pin | Name |
|---|
| VREF | 1 | 2 | VSUPPLY |
|---|
| nTRST | 3 | 4 | GND |
|---|
| TDI | 5 | 6 | GND |
|---|
| TMS | 7 | 8 | GND |
|---|
| TCK | 9 | 10 | GND |
|---|
| RTCK | 11 | 12 | GND |
|---|
| TDO | 13 | 14 | GND |
|---|
| nSRST | 15 | 16 | GND |
|---|
| DBGRQ | 17 | 18 | GND |
|---|
| DGBACK | 19 | 20 | GND |
|---|
ARM-14 JTAG
| Name | Pin | Pin | Name |
|---|
| VREF | 1 | 2 | GND |
|---|
| nTRST | 3 | 4 | GND |
|---|
| TDI | 5 | 6 | GND |
|---|
| TMS | 7 | 8 | GND |
|---|
| TCK | 9 | 10 | GND |
|---|
| TDO | 11 | 12 | nSRST |
|---|
| VREF | 13 | 14 | GND |
|---|
MIPS EJTAG
| Name | Pin | Pin | Name |
|---|
| nTRST | 1 | 2 | GND |
|---|
| TDI | 3 | 4 | GND |
|---|
| TDO | 5 | 6 | GND |
|---|
| TMS | 7 | 8 | GND |
|---|
| TCK | 9 | 10 | GND |
|---|
| nSRST | 11 | 12 |
|
|---|
| DINT | 13 | 14 | VREF |
|---|
AVR JTAG
| Name | Pin | Pin | Name |
|---|
| TCK | 1 | 2 | GND |
|---|
| TDO | 3 | 4 | VREF |
|---|
| TMS | 5 | 6 | nSRST |
|---|
| - | 7 | 8 | nTRST |
|---|
| TDI | 9 | 10 | GND |
|---|
Maxim MAXQ JTAG
| Name | Pin | Pin | Name |
|---|
| TCK | 1 | 2 | GND |
|---|
| TDO | 3 | 4 | VREF |
|---|
| TMS | 5 | 6 | nSRST |
|---|
| - | 7 | 8 | VSUPPLY |
|---|
| TDI | 9 | 10 | GND |
|---|
Texas Instruments MSP430 JTAG
| Name | Pin | Pin | Name |
|---|
| TDO | 1 | 2 | VREF |
|---|
| TDI | 3 | 4 | - |
|---|
| TMS | 5 | 6 | TCLK |
|---|
| TCK | 7 | 8 | VPP |
|---|
| GND | 9 | 10 | - |
|---|
| nSRST | 11 | 12 | - |
|---|
| - | 13 | 14 | - |
|---|
Note: There are usually different way to connect JTAG header to the target. Always check the datasheet.
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