stm32h5 high-cycle flash NMI_Handler

[aa3]

 

[aa3]

 

[Imen.D]

Hello @aa3 ,

Your description here of the problem is not clear. 

Could you please share more information on your issue with detailed description including the steps you have to reproduce the case?

What is the problem that you see? What is the result that you expect ? Which softwares/tools version are you using?...

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[STOne-32]

Dear @aa3 ,

 

You can refer to this Knowledge Article

https://community.st.com/t5/stm32-mcus/handling-ecc-errors-in-stm32h5-series-reading-unwritten-otp-and/ta-p/750986

 

and pay attention to configure the MPU to this Area using this Knowledge Article :

https://community.st.com/t5/stm32-mcus/how-to-avoid-a-hardfault-when-icache-is-enabled-on-the-stm32h5/ta-p/630085

Hope it helps you .

Regards,

STOne-32