FLASH option status register
OPT_BUSY | Option byte change ongoing flag |
BOR_LEV | Brownout level option status bit |
IWDG_SW | IWDG1 control option status bit |
NRST_STOP | D1 DStop entry reset option status bit |
NRST_STDY | D1 DStandby entry reset option status bit |
RDP | Readout protection level option status byte |
VDDMMC_HSLV | IWDG Stop mode freeze option status bit |
WDG_FZ_STOP | IWDG Stop mode freeze option status bit |
IWDG_FZ_SDBY | IWDG Standby mode freeze option status bit |
ST_RAM_SIZE | DTCM RAM size option status |
SECURITY | Security enable option status bit |
VDDIO_HSLV | I/O high-speed at low-voltage status bit (PRODUCT_BELOW_25V) |
OPTCHANGEERR | Option byte change error flag |
SWAP_BANK_OPT | Bank swapping option status bit |