28.4 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 Table 7-5. SERCOM Pins Supporting I2C for additional information .