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STM32H523RCT6 goes into HARDFAULT handler/NMI handler

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DeepakKumar
Associate II

‎2024-11-22 04:07 AM - last edited on ‎2024-11-22 05:10 AM by

Hello ST Team,

                             Currently i am using STM32H523RCT6 mcu for one of my application. Some times mcu goes into "hardfault handler/nmi handler". Can you suggest what will be reasons behind that problem.

 

Thanks with Regards

DEEPAK

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SofLit
ST Employee

‎2024-11-22 05:06 AM - edited ‎2024-11-22 05:18 AM

Hello,

Your description does not provide sufficient information. Moreover Hardfault, it's not obvious to tell you the origin of it so need to debug it yourself. 

See this article: https://community.st.com/t5/stm32-mcus/how-to-debug-a-hardfault-on-an-arm-cortex-m-stm32/ta-p/672235

The only origin that I can tell you about this Hardfault on H5 product is the following: https://community.st.com/t5/stm32-mcus/how-to-avoid-a-hardfault-when-icache-is-enabled-on-the-stm32h5/ta-p/630085

It could be something related to ECC error see: https://community.st.com/t5/stm32-mcus-products/stm32h5-ecc-errors-and-icache-invalidation/td-p/683375

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.

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SofLit
ST Employee

‎2024-11-22 05:06 AM - edited ‎2024-11-22 05:18 AM

Hello,

Your description does not provide sufficient information. Moreover Hardfault, it's not obvious to tell you the origin of it so need to debug it yourself. 

See this article: https://community.st.com/t5/stm32-mcus/how-to-debug-a-hardfault-on-an-arm-cortex-m-stm32/ta-p/672235

The only origin that I can tell you about this Hardfault on H5 product is the following: https://community.st.com/t5/stm32-mcus/how-to-avoid-a-hardfault-when-icache-is-enabled-on-the-stm32h5/ta-p/630085

It could be something related to ECC error see: https://community.st.com/t5/stm32-mcus-products/stm32h5-ecc-errors-and-icache-invalidation/td-p/683375

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.
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