XD-Picture Card
Memory flash card developed by Olympus & Fujifilm. Mainly used in Olympus & Fujifilm digital cameras.
Basically a standard NAND-Flash chip.
Types
- Original
- Type M: Standard xD-Picture Card
- Type H: Hi-Speed xD-Picture Card
- Type M+: 1.5x M. Up to 2 GB. Announced on 2008-01-23.
Pinout
| Pin | Name | Direction | Description |
|---|---|---|---|
| 1 | Vcc | ─ | Power (3.3VDC) |
| 2 | D7 | ↔ | Data7 |
| 3 | D6 | ↔ | Data6 |
| 4 | D5 | ↔ | Data5 |
| 5 | D4 | ↔ | Data4 |
| 6 | D3 | ↔ | Data3 |
| 7 | D2 | ↔ | Data2 |
| 8 | D1 | ↔ | Data1 |
| 9 | D0 | ↔ | Data0 |
| 10 | GND | ─ | Ground |
| 11 | -WP | ← | Write Protect |
| 12 | -WE | ← | Write Enable |
| 13 | ALE | ← | Address Latch Enable |
| 14 | CLE | ← | Command Latch Enable |
| 15 | -CE | ← | Card Enable |
| 16 | -RE | ← | Read Enable |
| 17 | R/-B | → | Ready/-Busy (Open-drain) |
| 18 | GND | ─ | Ground (+Presence detect) |
Note: Direction is memory card relative host (computer/camera).