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STM32L475 Internal Flash driver write issue

Question asked by Malaviya.Ashwin.001 on May 9, 2017
Latest reply on Jun 7, 2017 by Maxime TEISSIER

We are working on STM32L475 Internal Flash driver and we are facing one issue and to solve that issue i need below clarification.

Is it possible to program any Flash location twice without erase?. lets say there is one page which is currently erased. so the content of all the double word location of that page after erase is 0xFFFFFFFFFFFFFFFF. and now i program one double word location of this erased page with value 0xFFFFFFFFFFFFFFFF. so my question is "will it be possible to program this same location with value 0xAAAAAAAAAAAAAAAA or again i have to erase this location to program? any inputs are welcomed.

 

Thanks in advance,

Ashwin  

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