SEL=LDO
VREG Control
| ENABLE | Enable |
| SEL | Voltage Regulator Selection in active mode 0 (LDO): LDO selection 1 (BUCK): Buck selection |
| STDBYPL0 | Standby in PL0 |
| RUNSTDBY | Run during Standby |
| LPEFF | Low Power efficiency |
| VREFSEL | Voltage Regulator Voltage Reference Selection |
| VSVSTEP | Voltage Scaling Voltage Step |
| VSPER | Voltage Scaling Period |