12. Parallel Interface

The two-way parallel interface is compatible with the IEEE1284 compatibility mode and nibble mode. Refer to the separate Specifications Manual for details.

Table of Connection Signals for Each Mode

 

 

 

 

Pin No.

Direction

Compatibility Mode

Nibble Mode

Signal Name

Signal Name

 

 

1

In

nStrobe

Host Clock

2

In/Out

Data0

Data0

3

In/Out

Data1

Data1

4

In/Out

Data2

Data2

5

In/Out

Data3

Data3

6

In/Out

Data4

Data4

7

In/Out

Data5

Data5

8

In/Out

Data6

Data6

9

In/Out

Data7

Data7

10

Out

nAck

PtrClk

11

Out

Busy

PtrBusy/Data3,7

12

Out

PError

AckDataReq/Data2,6

13

Out

Select

Xflag/Data1,5

14

 

—

HostBusy

15

 

—

—

16

 

Signal GND

Signal GND

17

 

Frame GND

Flame GND

18

OUT

+5 V

+5 V

19~30

 

Twisted Pair Return

Twisted Pair Return

31

In

nInit

nInit

32

Out

nFault

nDataAvail/Data0,4

33

 

External GND

—

34

 

—

—

35

 

—

—

36

In

nSelectIn

1284Active

This connector mates with an

Amphenol 57-30360 connector

Parallel interface connector (printer side)

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