
PMAC2-Lite Hardware Reference Manual
J3 (JIO) General Input/Output Connector
J3 JIO (40-Pin Connector)
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39
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40
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2
Pin #
Symbol
Function
Description
Notes
1
I/O00
In/Out
Digital I/O 0
Software direction control
2
I/O01
In/Out
Digital I/O 1
Software direction control
3
I/O02
In/Out
Digital I/O 2
Software direction control
4
I/O03
In/Out
Digital I/O 3
Software direction control
5
I/O04
In/Out
Digital I/O 4
Software direction control
6
I/O05
In/Out
Digital I/O 5
Software direction control
7
I/O06
In/Out
Digital I/O 6
Software direction control
8
I/O07
In/Out
Digital I/O 7
Software direction control
9
I/O08
In/Out
Digital I/O 8
Software direction control
10
I/O09
In/Out
Digital I/O 9
Software direction control
11
I/O10
In/Out
Digital I/O 10
Software direction control
12
I/O11
In/Out
Digital I/O 11
Software direction control
13
I/O12
In/Out
Digital I/O 12
Software direction control
14
I/O13
In/Out
Digital I/O 13
Software direction control
15
I/O14
In/Out
Digital I/O 14
Software direction control
16
I/O15
In/Out
Digital I/O 15
Software direction control
17
I/O16
In/Out
Digital I/O 16
Software direction control
18
I/O17
In/Out
Digital I/O 17
Software direction control
19
I/O18
In/Out
Digital I/O 18
Software direction control
20
I/O19
In/Out
Digital I/O 19
Software direction control
21
I/O20
In/Out
Digital I/O 20
Software direction control
22
I/O21
In/Out
Digital I/O 21
Software direction control
23
I/O22
In/Out
Digital I/O 22
Software direction control
24
I/O23
In/Out
Digital I/O 23
Software direction control
25
I/O24
In/Out
Digital I/O 24
Software direction control
26
I/O25
In/Out
Digital I/O 25
Software direction control
27
I/O26
In/Out
Digital I/O 26
Software direction control
28
I/O27
In/Out
Digital I/O 27
Software direction control
29
I/O28
In/Out
Digital I/O 28
Software direction control
30
I/O29
In/Out
Digital I/O 29
Software direction control
31
I/O30
In/Out
Digital I/O 30
Software direction control
32
I/O31
In/Out
Digital I/O 31
Software direction control
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.
PMAC2-Lite Connector Pinouts
17
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