PC 并行接口定义
PC 并行接口外观是 25 针母插座:
Pin |
Name |
Description |
Pin |
Name |
Description |
1 |
/STROBE |
Strobe |
14 |
/AUTOFD |
Autofeed |
2 |
D0 |
Data Bit 0 |
15 |
/ERROR |
Error |
3 |
D1 |
Data Bit 1 |
16 |
/INIT |
Initialize |
4 |
D2 |
Data Bit 2 |
17 |
/SELIN |
Select In |
5 |
D3 |
Data Bit 3 |
18 |
GND |
Signal Ground |
6 |
D4 |
Data Bit 4 |
19 |
GND |
Signal Ground |
7 |
D5 |
Data Bit 5 |
20 |
GND |
Signal Ground |
8 |
D6 |
Data Bit 6 |
21 |
GND |
Signal Ground |
9 |
D7 |
Data Bit 7 |
22 |
GND |
Signal Ground |
10 |
/ACK |
Acknowledge |
23 |
GND |
Signal Ground |
11 |
BUSY |
Busy |
24 |
GND |
Signal Ground |
12 |
PE |
Paper End |
25 |
GND |
Signal Ground |
13 |
SEL |
Select |
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