| Pin Number |
Pin Name |
Description (may be empty) |
| 1 | USB detect | |
| 2 | Serial detect | |
| 3 | Serial GND | |
| 4 | USB GND | |
| 5 | TxD | |
| 6 | RxD | |
| 7 | USB D+ | |
| 8 | USB D- |
Alternative pinout From Nikon Coolpix 990 service manual. Same pinout but different numbering?
| Pin Number |
Pin Name |
Description |
| 1 | Serial RxD | |
| 2 | Serial TxD | |
| 3 | Serial detect | active LO (GND) |
| 4 | USB detect | active HI (VCC) |
| 5 | USB GND | |
| 6 | USB data- | |
| 7 | USB data+ | |
| 8 | Serial GND |