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Problem with erasing and overwriting FLASH data

Question asked by 52246 Employee on Jun 15, 2013
Latest reply on Jun 15, 2013 by Clive One

After writing in FLASH using FLASH_ProgramWord(uint32_t Address,Data). I can't overwrite that address data completely using FLASH_ProgramWord(Address,0xFFFFFFFF) or FLASH_ProgramWord(Address,Newdata);.
In case of erasing it with FFFFFFFF, data on that address does not change.
In case of overwrite with other data, it only replace it with some wrong data.