并行接口引脚定义
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PC 并行接口引脚定义
2009-08-11 16:27:53
PC 并行接口外观是 25 针母插座：
引脚定义
Pin Name Dir Description 1/STROBE Strobe
2D0Data Bit 0
3D1Data Bit 1
4D2Data Bit 2
5D3Data Bit 3
6D4Data Bit 4
7D5Data Bit 5
8D6Data Bit 6
9D7Data Bit 7
10/ACK Acknowledge
11BUSY Busy
12PE Paper End
13SEL Select
14/AUTOFD Autofeed
15/ERROR Error
16/INIT Initialize
17/SELIN Select In
18GND Signal Ground 19GND Signal Ground 20GND Signal Ground 21GND Signal Ground 22GND Signal Ground 23GND Signal Ground 24GND Signal Ground 25GND 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
1nStrobe Strobe
2data0Address, Data or RLE Data Bit 0 3data1Address, Data or RLE Data Bit 1 4data2Address, Data or RLE Data Bit 2 5data3Address, Data or RLE Data Bit 3 6data4Address, Data or RLE Data Bit 4 7data5Address, Data or RLE Data Bit 5 8data6Address, Data or RLE Data Bit 6 9data7Address, Data or RLE Data Bit 7 10/nAck Acknowledge
11Busy Busy
12PError Paper End
13Select Select
14/nAutoFd Autofeed
15/nFault Error
16/nInit Initialize
17/nSelectIn Select In
18GND Signal Ground 19GND Signal Ground 20GND Signal Ground 21GND Signal Ground 22GND Signal Ground 23GND Signal Ground 24GND Signal Ground 25GND Signal Ground