ECP 并行口定義

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ECP 是 Extended Capabilities Port 的(de)縮寫，外觀同并行口，是 25 針母插座：

25 PIN D-SUB FEMALE

引腳定義

　

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