
ULP-COM sA3874i Edge
finger
V_5V0_SYS Power regulator
enable signal
V_3V3_S0 Power regulator
enable signal
V_3V3_S0 Power good signal
V_1V5_DDR3 Power good
signal
V_3V3_S0 Power regulator
enable optional signal
5.3 ULP-COM sA3874i I/O
The ULP-COM sA3874i module provides multiple I/O lines for various functions. 12 I/Os lines are used as
interrupt capable GPIOs, which follow ULP-COM hardware specification. GPIO5 PWM output and GPIO6 Tachometer
input support is also provided as per the ULP-COM hardware specification.
Caution! These details are provided for reference. Generally, access to the I/O is abstracted in the Kontron BSP
packages.
GPIO functionality and I/O mapping to the ULP-COM sA3874i connector are shown in the following table:
ULP-COM sA3874i Edge
finger
Default Function :
Boot code should set this
to output, high
Alternate Function:
CAM0 active low camera
power enable
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