34.4 Signal Description

Table 34-1. Signal Description
Signal Name	Type	Description
PAD[0]	Digital I/O	SDA
PAD[1]	Digital I/O	SCL
PAD[2]	Digital I/O	SDA_OUT (Four-wire operation)
PAD[3]	Digital I/O	SCL_OUT (Four-wire operation)

I²C pins on SERCOM are fixed pins and not configurable through PPS functionality. See I/O Ports and Peripheral Pin Select (PPS) from Related Links.

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