SBF=B_0x0
PWR status register 1
| WUF1 | Wakeup flag 1 This bit is set when a wakeup condition is detected on WKUP1 wakeup pin. It is cleared by setting the CWUF1 bit of the PWR_SCR register. |
| WUF2 | Wakeup flag 2 This bit is set when a wakeup condition is detected on WKUP2 wakeup pin. It is cleared by setting the CWUF2 bit of the PWR_SCR register. |
| WUF3 | Wakeup flag 3 This bit is set when a wakeup condition is detected on WKUP3 wakeup pin. It is cleared by setting the CWUF3 bit of the PWR_SCR register. |
| WUF4 | Wakeup flag 4 This bit is set when a wakeup condition is detected on WKUP4 wakeup pin. It is cleared by setting the CWUF4 bit of the PWR_SCR register. |
| WUF5 | Wakeup flag 5 This bit is set when a wakeup condition is detected on WKUP5 wakeup pin. It is cleared by setting the CWUF5 bit of the PWR_SCR register. |
| WUF6 | Wakeup flag 6 This bit is set when a wakeup condition is detected on WKUP6 wakeup pin. It is cleared by setting the CWUF6 bit of the PWR_SCR register. |
| SBF | Standby flag This bit is set by hardware when the device enters Standby mode and is cleared by setting the CSBF bit in the PWR_SCR register, or by a power-on reset. It is not cleared by the system reset. 0 (B_0x0): The device did not enter Standby mode 1 (B_0x1): The device entered Standby mode |
| WUFI | Wakeup flag internal This bit is set when a wakeup condition is detected on the internal wakeup line. It is cleared when all internal wakeup sources are cleared. |