HSEON=B_0x0, PLL2ON=B_0x0, MSION=B_0x0, HSION=B_0x0, PLL3ON=B_0x0, PLL4ON=B_0x0, LSEON=B_0x0, LSION=B_0x0, PLL1ON=B_0x0
RCC control register
| LSION | LSI oscillator enable in Run/Sleep mode. 0 (B_0x0): LSI is OFF (default after reset) 1 (B_0x1): LSI is ON |
| LSEON | LSE oscillator enable in Run/Sleep mode. 0 (B_0x0): LSE is OFF (default after reset) 1 (B_0x1): LSE is ON |
| MSION | MSI oscillator enable in Run/Sleep mode. 0 (B_0x0): MSI is OFF (default after reset) 1 (B_0x1): MSI is ON |
| HSION | HSI oscillator enable in Run/Sleep mode. 0 (B_0x0): HSI is OFF 1 (B_0x1): HSI is ON (default after reset) |
| HSEON | HSE oscillator enable in Run/Sleep mode. 0 (B_0x0): HSE is OFF (default after reset) 1 (B_0x1): HSE is ON |
| PLL1ON | PLL1 enable in Run/Sleep mode. 0 (B_0x0): PLL1 is OFF (default after reset) 1 (B_0x1): PLL1 is ON |
| PLL2ON | PLL2 enable in Run/Sleep mode. 0 (B_0x0): PLL2 is OFF (default after reset) 1 (B_0x1): PLL2 is ON |
| PLL3ON | PLL3 enable in Run/Sleep mode. 0 (B_0x0): PLL3 is OFF (default after reset) 1 (B_0x1): PLL3 is ON |
| PLL4ON | PLL4 enable in Run/Sleep mode. 0 (B_0x0): PLL4 is OFF (default after reset) 1 (B_0x1): PLL4 is ON |