RCC PLL privilege configuration register1
| PLL1PVS | Defines the privilege protection of the PLL1 configuration bits (enable, ready, divider). |
| PLL2PVS | Defines the privilege protection of the PLL2 configuration bits (enable, ready, divider). |
| PLL3PVS | Defines the privilege protection of the PLL3 configuration bits (enable, ready, divider). |
| PLL4PVS | Defines the privilege protection of the PLL4 configuration bits (enable, ready, divider). |