Flash memory reading problem

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Flash memory reading problem

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senthilkumar
Contributor III

Hello,

           I am working in MPC5534 for ECU project.I have exception problem in a portion of flash memory (ex:H2) and I got data "XX XX XX XX" like that. then when I read first time that same portion of flash memory I exception error. but, when read second time it will automatically erase that portion of flash memory. How can I fix this problem Please any one help me.

 

Thanks,

Senthil

senthil.mpty@yahoo.com

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lukaszadrapa
NXP TechSupport
NXP TechSupport

"XX XX XX XX" in debugger means that there's bus error when debugger reads that memory. It will be caused by ECC error in case of flash. The only solution is to erase the corrupted flash and then it will work again.

Lukas

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