PC 并行接口外观是 25 针母插座:
引脚定义
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 是 Extended Capabilities Port 的缩写,外观同并行口,是 25 针母插座:
引脚定义
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 |