Clock interrupt flag register
| LSIRDYF | LSI ready interrupt flag |
| LSERDYF | LSE ready interrupt flag |
| MSIRDYF | MSI ready interrupt flag |
| HSIRDYF | HSI16 ready interrupt flag |
| HSERDYF | HSE32 ready interrupt flag |
| PLLRDYF | PLL ready interrupt flag |
| CSSF | HSE32 Clock security system interrupt flag |
| LSECSSF | LSE Clock security system interrupt flag |