Clock interrupt clear register
| LSIRDYC | LSI ready interrupt clear |
| LSERDYC | LSE ready interrupt clear |
| MSIRDYC | MSI ready interrupt clear |
| HSIRDYC | HSI ready interrupt clear |
| HSERDYC | HSE ready interrupt clear |
| PLLRDYC | PLL ready interrupt clear |
| PLLSAI1RDYC | PLLSAI1 ready interrupt clear |
| CSSC | Clock security system interrupt clear |
| LSECSSC | LSE Clock security system interrupt clear |
| HSI48RDYC | HSI48 oscillator ready interrupt clear |