33.4 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 (4-wire operation)
PAD[3] Digital I/O SCL_OUT (4-wire operation)

One signal can be mapped on several pins.

Not all the pins are I2C pins. Refer to the SERCOM Pins Supporting I2C table for additional information.

Related Links:

Multiplexing and Considerations

4-Wire Mode