user manual

MVME712M-Compatible Versions

http://www.motorola.com/computer/literature 4-23

Parallel Connector

Both versions of the base board provide parallel I/O connections. For

MVME712M-compatible base boards, the parallel interface is

implemented with a 36-pin Centronics-type socket connector located on

the MVME712M transition module. The pin assignments are listed in the

following table.

22 No Connection

23 No Connection

24 ETTxC (Port 4 only)

25 No Connection

Table 4-13. Parallel I/O Connector (MVME712M)

1PRSTB∗ GND 19

2 PRD0 GND 20

3 PRD1 GND 21

4 PRD2 GND 22

5 PRD3 GND 23

6 PRD4 GND 24

7 PRD5 GND 25

8 PRD6 GND 26

9 PRD7 GND 27

10 PRACK

∗ GND 28

11 PRBSY GND 29

12 PRPE GND 30

13 PRSEL INPRIME

∗ 31

14 No Connection PRFAULT

∗ 32

Table 4-12. Serial Connections—MVME712M Ports 1-4