pITX-iMX8M – User Guide Rev. 1.4
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6.8.
Pigtail Battery Header (J22)
The 2-pin header has a 1.25 mm pitch.
Figure 19: Pigtail Battery Header
Table 23: Pin Assignment
Pin
Signal
1
V_BAT
2
GND
6.9.
GPIO Connector (internal, J17)
Figure 20: GPIO Connector
Table 24: GPIO Connector
Pin
Function
Direction
Description
1
V_3V3_S0
Power
2
GPIO0
IN/OUT
Connects to iMX8M
3
GPIO1
IN/OUT
4
GPIO2
IN/OUT
5
GPIO3
IN/OUT
6
GPIO4
IN/OUT
7
GPIO5
IN/OUT
8
GPIO6
IN/OUT
9
GPIO7
IN/OUT
10
GND
Ground
11
GND
Ground
12
V_BAT_GPIO
Power
Connects to RTC battery power rail.
1
1
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