Memory Stick PRO Duo is Sony proprietary flash memory format used in PlayStation Portable (PSP), digital cameras, and camcorders. Smaller than the original Memory Stick with serial data interface.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | BS | Bus state | BUS |
| 2 | VCC | Power supply | PWR |
| 3 | AVCC | Analog supply | PWR |
| 4 | GND | Ground | GND |
| 5 | SCLK | Serial clock | BUS |
| 6 | BS | Bus state | BUS |
| 7 | DIO | Data input output | BUS |
| 8 | GND | Ground | GND |
| 9 | VCC | Power supply | PWR |
| 10 | /INS | Card insertion detect | I/O |