Texas Instruments AM437x GP, User Manual, Page: 18 / 25

Board Connectors
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7.15 GPIO Header - J30
Table 22. GPIO Header
PIN NUMBER SIGNAL NAME DESCRIPTION
1 V3_3D Voltage 3.3 V
2 VBAT Voltage VBAT
3 GPIO0 General Purpose I/O 0
4 NC No connect
5 GPIO1 General Purpose I/O 1
6 NC No connect
7 GPIO2 General Purpose I/O 2
8 NC No connect
9 GPIO3 General purpose I/O 3
10 NC No connect
11 GPIO4 General purpose I/O 4
12 DGND Ground
13 GPIO5 General purpose I/O 5
14 SPI1_SCLK SPI1 clock
15 GPIO6 General purpose I/O 6
16 SPI1_D0 SPI1 DO
17 GPIO7 General purpose I/O 7
18 SPI1_D1 SPI1 D1
19 GPIO8 General purpose I/O 8
20 SPI1_CS0 SPI1 chip select
21 GPIO9 General purpose I/O 9
22 GPIO18 General purpose I/O 18
23 GPIO10 General purpose I/O 10
24 GP_I2C_SCL I2C clock
25 GPIO11 General purpose I/O 11
26 GP_I2C_SDA I2C data
27 GPIO12 General purpose I/O 12
28 GPIO19 General purpose I/O 19
29 GPIO13 General purpose I/O 13
30 GPIO20 General purpose I/O 20
31 GPIO14 General purpose I/O 14
32 GPIO21 General purpose I/O 21
33 GPIO15 General purpose I/O 15
7.15.1 I2C Header - J6
Table 23. I2C Header
PIN NUMBER SIGNAL NAME DESCRIPTION
1 PWRMON_I2CSCL I2C clock
2 PWRMON_I2CSDA I2C data
3 DGND Ground
4 PM_ALERT Alert
5 NC No connect
18 AM437x GP EVM Hardware User's Guide SPRUHW7 – June 2014
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