APBC Mask
| 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 |
| TCC0_ | TCC0 APB Clock Enable |
| TC0_ | TC0 APB Clock Enable |
| TC1_ | TC1 APB Clock Enable |
| TC2_ | TC2 APB Clock Enable |
| TC3_ | TC3 APB Clock Enable |
| ADC_ | ADC APB Clock Enable |
| AC_ | AC APB Clock Enable |
| PTC_ | PTC APB Clock Enable |
| SLCD_ | SLCD APB Clock Enable |
| AES_ | AES APB Clock Enable |
| TRNG_ | TRNG APB Clock Enable |
| CCL_ | CCL APB Clock Enable |