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| 引脚 | 定义 | 方向 | 说明 | 引脚 | 定义 | 方向 | 说明 |
| 1 | /STROBE | → | Strobe | 14 | /AUTOFD | → | Autofeed |
| 2 | D0 | → | DataBit0 | 15 | /ERROR | ← | Error |
| 3 | D1 | → | Databit1 | 16 | /INIT | → | Inirialize |
| 4 | D2 | → | DataBit2 | 17 | ／SELIN | → | SelectIn |
| 5 | D3 | → | DataBit3 | 18 | GND | SignalGround | |
| 6 | D4 | → | DataBit4 | 19 | GND | SignalGround | |
| 7 | D5 | → | DataBit5 | 20 | GND | SignalGround | |
| 8 | D6 | → | DataBit6 | 21 | GND | SignalGround | |
| 9 | D7 | → | DataBit7 | 22 | GND | SignalGround | |
| 10 | ／ACK | ← | AcknowLEDge | 23 | GND | SignalGround | |
| 11 | BUSY | ← | Busy | 24 | GND | SignalGround | |
| 12 | PE | ← | PaperEnd | 25 | GND | SignalGround | |
| 13 | SEL | ← | Select |
