PC 并行接口定義

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PC 并行接口外觀是 25 針母插座：

25 PIN D-SUB FEMALE

引腳定義

　

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