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：

25 PIN D-SUB FEMALE

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

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