LSERDY=B_0x0, PLL2RDY=B_0x0, HSERDY=B_0x0, MSIRDY=B_0x0, PLL1RDY=B_0x0, PLL3RDY=B_0x0, LSIRDY=B_0x0, PLL4RDY=B_0x0, HSIRDY=B_0x0
RCC status register
| LSIRDY | LSI clock ready flag 0 (B_0x0): LSI is not ready (default after reset) 1 (B_0x1): LSI is ready |
| LSERDY | LSE clock ready flag 0 (B_0x0): LSE is not ready (default after reset) 1 (B_0x1): LSE is ready |
| MSIRDY | MSI clock ready flag 0 (B_0x0): MSI is not ready (default after reset) 1 (B_0x1): MSI is ready |
| HSIRDY | HSI clock ready flag 0 (B_0x0): HSI is not ready 1 (B_0x1): HSI is ready (default after reset) |
| HSERDY | HSE clock ready flag 0 (B_0x0): HSE is not ready (default after reset) 1 (B_0x1): HSE is ready |
| PLL1RDY | PLL1 clock ready flag 0 (B_0x0): PLL1 unlocked (default after reset) 1 (B_0x1): PLL1 locked |
| PLL2RDY | PLL2 clock ready flag 0 (B_0x0): PLL2 unlocked (default after reset) 1 (B_0x1): PLL2 locked |
| PLL3RDY | PLL3 clock ready flag 0 (B_0x0): PLL3 unlocked (default after reset) 1 (B_0x1): PLL3 locked |
| PLL4RDY | PLL4 clock ready flag 0 (B_0x0): PLL4 unlocked (default after reset) 1 (B_0x1): PLL4 locked |