User's Manual

Turbo PMAC2 VME Hardware Reference
Base Board Connector Pinouts 17
J3 (JI/O) General Input/Output Connector
Pin # Symbol Function Description Notes
1 I/O00 In/Out Digital I/O 0 Software direction ctrl.
2 I/O01 In/Out Digital I/O 1 Software direction ctrl.
3 I/O02 In/Out Digital I/O 2 Software direction ctrl.
4 I/O03 In/Out Digital I/O 3 Software direction ctrl.
5 I/O04 In/Out Digital I/O 4 Software direction ctrl.
6 I/O05 In/Out Digital I/O 5 Software direction ctrl.
7 I/O06 In/Out Digital I/O 6 Software direction ctrl.
8 I/O07 In/Out Digital I/O 7 Software direction ctrl.
9 I/O08 In/Out Digital I/O 8 Software direction ctrl.
10 I/O09 In/Out Digital I/O 9 Software direction ctrl.
11 I/O10 In/Out Digital I/O 10 Software direction ctrl.
12 I/O11 In/Out Digital I/O 11 Software direction ctrl.
13 I/O12 In/Out Digital I/O 12 Software direction ctrl.
14 I/O13 In/Out Digital I/O 13 Software direction ctrl.
15 I/O14 In/Out Digital I/O 14 Software direction ctrl.
16 I/O15 In/Out Digital I/O 15 Software direction ctrl.
17 I/O16 In/Out Digital I/O 16 Software direction ctrl.
18 I/O17 In/Out Digital I/O 17 Software direction ctrl.
19 I/O18 In/Out Digital I/O 18 Software direction ctrl.
20 I/O19 In/Out Digital I/O 19 Software direction ctrl.
21 I/O20 In/Out Digital I/O 20 Software direction ctrl.
22 I/O21 In/Out Digital I/O 21 Software direction ctrl.
23 I/O22 In/Out Digital I/O 22 Software direction ctrl.
24 I/O23 In/Out Digital I/O 23 Software direction ctrl.
25 I/O24 In/Out Digital I/O 24 Software direction ctrl.
26 I/O25 In/Out Digital I/O 25 Software direction ctrl.
27 I/O26 In/Out Digital I/O 26 Software direction ctrl.
28 I/O27 In/Out Digital I/O 27 Software direction ctrl.
29 I/O28 In/Out Digital I/O 28 Software direction ctrl.
30 I/O29 In/Out Digital I/O 29 Software direction ctrl.
31 I/O30 In/Out Digital I/O 30 Software direction ctrl.
32 I/O31 In/Out Digital I/O 31 Software direction ctrl.
33 GND Common Reference Voltage
34 GND Common Reference Voltage
35 PHASE/ Output Phase Clock For latching data
36 SERVO/ Output Servo Clock For latching data
37 GND Common Reference Voltage
38 GND Common Reference Voltage
39 +5V Output Supply Voltage To power external circuitry
40 +5V Output Supply Voltage To power external circuitry
The JI/O connector provides 32 input/output pins at TTL levels. Direction can be controlled in byte-wide groups.