APBC Mask
| PAC2_ | PAC2 APB Clock Enable |
| EVSYS_ | EVSYS APB Clock Enable |
| SERCOM0_ | SERCOM0 APB Clock Enable |
| SERCOM1_ | SERCOM1 APB Clock Enable |
| SERCOM2_ | SERCOM2 APB Clock Enable |
| SERCOM3_ | SERCOM3 APB Clock Enable |
| SERCOM4_ | SERCOM4 APB Clock Enable |
| SERCOM5_ | SERCOM5 APB Clock Enable |
| TCC0_ | TCC0 APB Clock Enable |
| TCC1_ | TCC1 APB Clock Enable |
| TCC2_ | TCC2 APB Clock Enable |
| TC3_ | TC3 APB Clock Enable |
| TC4_ | TC4 APB Clock Enable |
| TC5_ | TC5 APB Clock Enable |
| ADC_ | ADC APB Clock Enable |
| AC_ | AC APB Clock Enable |
| DAC_ | DAC APB Clock Enable |
| PTC_ | PTC APB Clock Enable |
| I2S_ | I2S APB Clock Enable |