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aa3
Associate
Aug 12, 2025 8:41 AM UTC
Question

stm32h5 high-cycle flash NMI_Handler

aa3_0-1754987835675.png

 

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3 replies

aa3Author
Associate
Aug 12, 2025 8:42 AM UTC

aa3_0-1754988114457.png

 

Imen.D
ST Technical Moderator
Aug 12, 2025 11:15 AM UTC

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?...

Please see the guideline: How to post

In order to give better visibility on the answered topics, please click on 'Best answer' on the reply which solved your issue or answered your question. Thanks
STOne-32
STOne-32
ST Technical Moderator
Aug 12, 2025 9:28 PM UTC

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

 

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