SYSSW=B_0x0, SYSSWS=B_0x0, CPUSW=B_0x0, STOPWUCK=B_0x0, CPUSWS=B_0x0
RCC configuration register 1
| STOPWUCK | System clock selection after a wake up from system Stop. 0 (B_0x0): HSI selected as wake up clock from system Stop (default after reset) 1 (B_0x1): CSI selected as wake up clock from system Stop |
| CPUSW | CPU clock switch selection 0 (B_0x0): hsi_ck selected as system clock (default after reset) 1 (B_0x1): msi_ck selected as system clock 2 (B_0x2): hse_ck selected as system clock 3 (B_0x3): ic1_ck selected as system clock |
| CPUSWS | CPU clock switch status 0 (B_0x0): hsi_ck selected as system clock (default after reset) 1 (B_0x1): msi_ck selected as system clock 2 (B_0x2): hse_ck selected as system clock 3 (B_0x3): ic1_ck selected as system clock |
| SYSSW | System clock switch selection 0 (B_0x0): hsi_ck selected as system clock (default after reset) 1 (B_0x1): msi_ck selected as system clock 2 (B_0x2): hse_ck selected as system clock 3 (B_0x3): ic2_ck selected as system clock |
| SYSSWS | System clock switch status 0 (B_0x0): hsi_ck selected as system clock (default after reset) 1 (B_0x1): msi_ck selected as system clock 2 (B_0x2): hse_ck selected as system clock 3 (B_0x3): ic2_ck selected as system clock |