user manual

Connectors
http://www.motorola.com/computer/literature 5-9
5
Parallel I/O Port Connector (J7)
The interface for the parallel port is a standard IEEE P1284-C, 36-pin
connector, J7. The functionality of each signal depends on the mode of
operation of this bidirectional Parallel Peripheral Interface. Refer to the
IEEE P1284 D2.00 Standard for a complete description of each signal
function. The connector shield is tied to chassis ground.
The pin assignments and signal mnemonics for this connector are listed in
the next table.
Table 5-7. Parallel I/O Connector (J7)
Pin Signal Signal Pin
1 PRBSY GND 19
2 PRSEL GND 20
3 PRACK_ GND 21
4 PRFAULT_ GND 22
5 PRPE GND 23
6 PRD0 GND 24
7 PRD1 GND 25
8 PRD2 GND 26
9 PRD3 GND 27
10 PRD4 GND 28
11 PRD5 GND 29
12 PRD6 GND 30
13 PRD7 GND 31
14 PRINIT_ GND 32
15 PRSTB_ GND 33
16 SELIN_ GND 34
17 AUTOFD_ GND 35
18 Pull-up No Connect 36