APBC Mask
| EVSYS_ | EVSYS APB Clock Enable |
| SERCOM0_ | SERCOM0 APB Clock Enable |
| SERCOM1_ | SERCOM1 APB Clock Enable |
| TC0_ | TC0 APB Clock Enable |
| TC1_ | TC1 APB Clock Enable |
| TC2_ | TC2 APB Clock Enable |
| ADC_ | ADC APB Clock Enable |
| DAC_ | DAC APB Clock Enable |
| PTC_ | PTC APB Clock Enable |
| TRNG_ | TRNG APB Clock Enable |
| CCL_ | CCL APB Clock Enable |
| OPAMP_ | OPAMP APB Clock Enable |