Technical data

A.1 Interface Interconnections
Figure A–1 (Cont.) Parallel Port Connector
DATA 1-8
DATA STROBE
ACK
BUSY
FAULT
SELECT
CALL (PE)
INPUT PRIME
External
Device
(Host
Computer)
Printer
2
1
9
1
10
11
32
13
12
31
MLO-004888
Table A–1 Parallel Interface Pin Assignment
Pin Direction Signal Description
1 To printer STROBE L STROBE pulse low to read data.
A strobe low signal will raise
BUSY line to high.
2 To printer DATA BIT 1
1
3 To printer DATA BIT 2
1
4 To printer DATA BIT 3
1
5 To printer DATA BIT 4
1
6 To printer DATA BIT 5
1
7 To printer DATA BIT 6
1
8 To printer DATA BIT 7
1
9 To printer DATA BIT 8
1
1
These signals are the 1st to the 8th bits of parallel data and are active high for a logical 1.
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A–2 Supplemental Information