stm32 /stm32wba5 /STM32WBA55 /FLASH /FLASH_OPTKEYR

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Interpret as FLASH_OPTKEYR

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0OPTKEY

Description

FLASH option key register

Fields

OPTKEY

Option byte key The LOCK bit in the FLASH_NSCR1 must be cleared before doing the unlock sequence for OPTLOCK bit. The following values must be written consecutively to unlock the FLASH_NSCR1.OPTSTRT and OBL_LAUNCH register bits concerning user option operations: KEY1: 0x08192A3B KEY2: 0x4C5D6E7F

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