Main specification, Interface, Parallel interface – POSIFLEX Business Machines PP3000 User Manual

Page 39: Interface parallel interface

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MAIN SPECIFICATION

INTERFACE

Parallel Interface

25 pin Female D-sub connector

Pin # Signal Name I/O Function

1 STROBE

I

Signals when data is ready to be read. Signal goes
from HIGH to LOW (for at least 0.5 microsec.)
when data is available.

2

DATA 0

I

This signal provides the information of the first bit
(LSB) of parallel data. The signal is at HIGH level
for a logical 1 and at a LOW level for a logical 0.

3 DATA

1

I

This signal provides the information of d1 the
second bit of parallel data. The signal is at HIGH
level for a logical 1 and at a LOW level for a
logical 0.

4

DATA 2

I

This signal provides the information of d2 the third
bit of parallel data. The signal is at HIGH level for
a logical 1 and at a LOW level for a logical 0.

5

DATA 3

I

This signal provides the information of d3 the
fourth bit of parallel data. The signal is at HIGH
level for a logical 1 and at a LOW level for a
logical 0.

6

DATA 4

I

This signal provides the information of d4 the fifth
bit of parallel data. The signal is at HIGH level for
a logical 1 and at a LOW level for a logical 0.

7

DATA 5

I

This signal provides the information of d5 the sixth
bit of parallel data. The signal is at HIGH level for
a logical 1 and at a LOW level for a logical 0.

8 DATA

6

I

This signal provides the information of d6 the
seventh bits of parallel data. The signal is at HIGH
level for a logical 1 and at a LOW level for a
logical 0.

PP3000 Series User’s Manual

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