Motorola MVME2600 用户手册

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页码 198
MVME712M-Compatible Versions
http://www.motorola.com/computer/literature
4-23
4
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)
1
PRSTB
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