Clock interrupt flag register
| LSIRDYF | LSI 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 |
| PLLSAI2RDYF | PLLSAI2 ready interrupt flag |
| CSSF | Clock security system interrupt flag |
| LSECSSF | LSE Clock security system interrupt flag |
| HSI48RDYF | HSI48 ready interrupt flag |