Main specification, Interface, Parallel interface – POSIFLEX Business Machines PP3000 User Manual
Page 39: Interface parallel interface
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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