| Device | Pins Supporting I2C Hs mode |
|---|---|
| SAM C20E | PA08, PA09, PA10, PA11, PA16, PA17, PA22, PA23 |
| SAM C20G | PA08, PA09, PA10, PA11, PA12, PA13, PA16, PA17, PA22, PA23, PB10, PB11 |
| SAM C20J | PA08, PA09, PA10, PA11, PA12, PA13, PA16, PA17, PA22, PA23, PB10, PB11, PB12, PB13, PB16, PB17, PB30, PB31 |