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K24 Cannot write to last flash sector

Question asked by Ivan Chichkine on Aug 14, 2018
Latest reply on Aug 15, 2018 by Jing Pan

Hi,

 

I am using the IFsh PEx component to write to flash on a MK24FN1M0VLL12. It has worked fine for storing configuration data and reprogramming parts of the flash, but it's not able to write to the last flash sector (Address 0xFF000 - 0xFFFFF). I have tried various routines: IFsh1_SetLongFlash and IFsh1_SetBlockFlash. They do not return any error, and no flash protection is enabled. I am able to manually modify the memory with GDB and J-flash, so I'm certain that it's not protected.

 

What could be causing this?

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