| Pin Number |
Pin Name |
Description |
|---|---|---|
| 5 | TDO | JTAG Test Data Out |
| 6, 13 | GND | Ground |
| 7 | TCK | JTAG Test Clock |
| 9 | USB Vbus | USB 5V Reference |
| 10 | USB Data+ | USB Positive Data Pin |
| 11 | TXD | UART Data From Phone To PC |
| 12 | RXD | UART Data To Phone From PC |
| 15 | USB Data- | USB Negative Data Pin |
| 16 | TDI | JTAG Test Data In |
| 17 | TRST | JTAG Test Reset |
| 20, 21 | 5V Charge | 5V Battery Charger (Short to USB Vbus Pin 9 for USB data/charge cable) |
| 22 | TMS | JTAG Test Mode Select |
Omitted pins are Not Connected.

