PC 并行接口引脚定义
PC 并行接口外观是 25 针母插座:
引脚定义
Pin | Name | Dir | Description |
---|---|---|---|
1 | /STROBE | | Strobe |
2 | D0 | | Data Bit 0 |
3 | D1 | | Data Bit 1 |
4 | D2 | | Data Bit 2 |
5 | D3 | | Data Bit 3 |
6 | D4 | | Data Bit 4 |
7 | D5 | | Data Bit 5 |
8 | D6 | | Data Bit 6 |
9 | D7 | | Data Bit 7 |
10 | /ACK | | Acknowledge |
11 | BUSY | | Busy |
12 | PE | | Paper End |
13 | SEL | | Select |
14 | /AUTOFD | | Autofeed |
15 | /ERROR | | Error |
16 | /INIT | | Initialize |
17 | /SELIN | | Select In |
18 | GND | | Signal Ground |
19 | GND | | Signal Ground |
20 | GND | | Signal Ground |
21 | GND | | Signal Ground |
22 | GND | | Signal Ground |
23 | GND | | Signal Ground |
24 | GND | | Signal Ground |
25 | GND | | Signal Ground |
ECP 并行口定义
ECP 是 Extended Capabilities Port 的缩写,外观同并行口,是 25 针母插座:
引脚定义
Pin | Name | Dir | Description |
---|---|---|---|
1 | nStrobe | | Strobe |
2 | data0 | | Address, Data or RLE Data Bit 0 |
3 | data1 | | Address, Data or RLE Data Bit 1 |
4 | data2 | | Address, Data or RLE Data Bit 2 |
5 | data3 | | Address, Data or RLE Data Bit 3 |
6 | data4 | | Address, Data or RLE Data Bit 4 |
7 | data5 | | Address, Data or RLE Data Bit 5 |
8 | data6 | | Address, Data or RLE Data Bit 6 |
9 | data7 | | Address, Data or RLE Data Bit 7 |
10 | /nAck | | Acknowledge |
11 | Busy | | Busy |
12 | PError | | Paper End |
13 | Select | | Select |
14 | /nAutoFd | | Autofeed |
15 | /nFault | | Error |
16 | /nInit | | Initialize |
17 | /nSelectIn | | Select In |
18 | GND | | Signal Ground |
19 | GND | | Signal Ground |
20 | GND | | Signal Ground |
21 | GND | | Signal Ground |
22 | GND | | Signal Ground |
23 | GND | | Signal Ground |
24 | GND | | Signal Ground |
25 | GND | | Signal Ground |
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