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Parallel interface, 1. table of connection signals for each mode – Oki Pos 441 User Manual

Page 52

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12. Parallel Interface

The two-way parallel interface is compatible with the IEEE4 compatibility mode and nib-
ble mode.

12-1. Table of Connection Signals for Each Mode

Pin No.

Direction

Compatibility Mode

Signal Name

Nibble Mode

Signal Name

In

nStorobe

HostClk

In

Data0

Data0

In

Data

Data

4

In

Data

Data

5

In

Data

Data

6

In

Data4

Data4

In

Data5

Data5

In

Data6

Data6

In

Data

Data

0

Out

nAck

PtrClk

Out

Busy

PtrBusy/Data,

Out

PError

AckDataReq/Data,6

Out

Select

Xflag/Data,5

4

In

nAutoFd

HostBusy

5

N/C

6

GND

GND

Flame GND

Flame GND

Out

Logic High

Logic High

GND

GND

0

GND

GND

GND

GND

GND

GND

GND

GND

4

GND

GND

5

GND

GND

6

GND

GND

GND

GND

GND

GND

GND

GND

0

GND

GND