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Parallel interface, D-2. parallel interface, Table of connection signals for each mode – Star Micronics SP298 Series User Manual

Page 136

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133

APPENDIX

D-2. Parallel Interface

The two-way parallel interface is compatible with the IEEE1284 compatibility mode,
nibble mode and byte mode. Refer to the separate programmer’s manual for details.

Table of connection signals for each mode

Pin No.

Direction

Compatibility Mode

Signal Name

Nibble Mode

Signal Name

Byte Mode

Signal Name

1

In

nStorobe

HostClk

HostClk

2

In/Out

Data0

Data0

Data0

3

In/Out

Data1

Data1

Data1

4

In/Out

Data2

Data2

Data2

5

In/Out

Data3

Data3

Data3

6

In/Out

Data4

Data4

Data4

7

In/Out

Data5

Data5

Data5

8

In/Out

Data6

Data6

Data6

9

In/Out

Data7

Data7

Data7

10

Out

nAck

PtrClk

PtrClk

11

Out

Busy

PtrBusy/Data3,7

PtrBusy

12

Out

PError

AckDataReq/Data2,6

AckDataReq

13

Out

Select

Xflag/Data1,5

Xflag

14

In

nAutoFd

HostBusy

HostBusy

15

N/C

16

GND

GND

GND

17

Flame GND

Flame GND

Flame GND

18

OUT

Logic High

Logic High

Logic High

19

GND

GND

GND

20

GND

GND

GND

21

GND

GND

GND

22

GND

GND

GND

23

GND

GND

GND

24

GND

GND

GND

25

GND

GND

GND

26

GND

GND

GND

27

GND

GND

GND

28

GND

GND

GND

29

GND

GND

GND

30

GND

GND

GND