===G2E UART===

{| class="wikitable" style="text-align:center"
!Function
!GPIO
!Direction
!Description
|-
|HTX4_B
|GPIO2_07
|Output
|Active:L
|-
|HRX4_B
|GPIO2_08
|Input
|Active:L
|-
|RX1
|GPIO5_05
|Input
|Active:L
|-
|TX1
|GPIO5_06
|Output
|Active:L
|-
|RX0_A
|GPIO5_01
|Input
|Active:L
|-
|TX0_A
|GPIO5_02
|Output
|Active:L
|-
|}