Clock interrupt flag register
| LSI1RDYF | LSI1 ready interrupt flag |
| LSERDYF | LSE ready interrupt flag |
| MSIRDYF | MSI ready interrupt flag |
| HSIRDYF | HSI ready interrupt flag |
| HSERDYF | HSE ready interrupt flag |
| PLLRDYF | PLL ready interrupt flag |
| PLLSAI1RDYF | PLLSAI1 ready interrupt flag |
| HSECSSF | HSE Clock security system interrupt flag |
| LSECSSF | LSE Clock security system interrupt flag |
| HSI48RDYF | HSI48 ready interrupt flag |
| LSI2RDYF | LSI2 ready interrupt flag |