Manual USB-DIO-48
15
Chapter 6: Connector Pin Assignments
Two 50-pin male headers are provided for I/O connections designated as P2 and P3, which
are also referred to as Groups 0 and 1 respectively.
PIN
P2
P3
PIN FUNCTION
1
I/O 23 I/O 47
2 GROUND
3
I/O 22 I/O 46
4 GROUND
5
I/O 21 I/O 45
6 GROUND
7
I/O 20 I/O 44
8 GROUND
9
I/O 19 I/O 43
10 GROUND
11
I/O 18 I/O 42
12 GROUND
13
I/O 17 I/O 41
14 GROUND
15
I/O 16 I/O 40
16 GROUND
17
I/O 15 I/O 39
18 GROUND
19
I/O 14 I/O 38
20 GROUND
21
I/O 13 I/O 37
22 GROUND
23
I/O 12 I/O 36
24 GROUND
25
I/O 11 I/O 35
26 GROUND
27
I/O 10 I/O 34
28 GROUND
29
I/O 09 I/O 33
30 GROUND
31
I/O 08 I/O 32
32 GROUND
33
I/O 07 I/O 31
34 GROUND
35
I/O 06 I/O 30
36 GROUND
37
I/O 05 I/O 29
38 GROUND
39
I/O 04 I/O 28
40 GROUND
41
I/O 03 I/O 27
42 GROUND
43
I/O 02 I/O 26
44 GROUND
45
I/O 01 I/O 25
46 GROUND
47
I/O 00 I/O 24
48 GROUND
49
+5VDC +5VDC
50 GROUND
Table 6-1: 50-Pin Connector Pin Assignments