ECP并行口引脚定义图

ECP并行口引脚定义图

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

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