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Board Connectors
21
SPRUIF8 – June 2017
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Copyright © 2017, Texas Instruments Incorporated
AM438x ePOS EVM Hardware
8.15 GPIO Header – J38
Table 22
lists the pin details of the GPIO header.
Table 22. GPIO Header Pin Details
Pin No.
Signal Name
Description
1
V3_3D
Voltage 3.3 V
2
VBAT
Voltage V
BAT
3
GPIO0
General-purpose I/O 0
4
NC
NC
5
GPIO1
General-purpose I/O 1
6
NC
NC
7
GPIO2
General-purpose I/O 2
8
NC
NC
9
GPIO3
General-purpose I/O 3
10
NC
NC
11
GPIO4
General-purpose I/O 4
12
NC
NC
13
GPIO5
General-purpose I/O 5
14
NC
NC
15
GPIO6
General-purpose I/O 6
16
NC
NC
17
GPIO7
General-purpose I/O 7
18
NC
NC
19
GPIO8
General-purpose I/O 8
20
NC
NC
21
GPIO9
General-purpose I/O 9
22
NC
NC
23
GPIO10
General-purpose I/O 10
24
NC
NC
25
GPIO11
General-purpose I/O 11
26
NC
NC
27
GPIO12
General-purpose I/O 12
28
NC
NC
29
GPIO13
General-purpose I/O 13
30
NC
NC
31
GPIO14
General-purpose I/O 14
32
NC
NC
33
GPIO15
General-purpose I/O 15
34
NC
NC
35
GPIO16
General-purpose I/O 16
36
NC
NC
37
GPIO17
General-purpose I/O 17
38
NC
NC
39
DGND
Ground
40
DGND
Ground