power control register
| LPDS | Low-power deep sleep |
| PDDS | Power down deepsleep |
| CWUF | Clear wakeup flag |
| CSBF | Clear standby flag |
| PVDE | Power voltage detector enable |
| PLS | PVD level selection |
| DBP | Disable backup domain write protection |
| FPDS | Flash power down in Stop mode |
| LPLVDS | Low-Power Regulator Low Voltage in deepsleep |
| MRLVDS | Main regulator low voltage in deepsleep mode |
| VOS | Regulator voltage scaling output selection |
| ODEN | Over-drive enable |
| ODSWEN | Over-drive switching enabled |
| UDEN | Under-drive enable in stop mode |