2025-06-03 7:52 AM - edited 2025-06-03 7:52 AM
The chip is H743. After performing a erase operation on a page and resetting it, when I read the page again, the debug page shows that the erased page is 0xAA. As long as I read it, I will enter hardfault. Have you ever encountered a big shot,
2025-06-03 8:22 AM
How are you erasing the page? Try erasing in STM32CubeProgrammer instead and see if you can duplicate the behavior.
2025-06-04 6:45 AM
Hello @奥特曼9527 and welcome and the community;
May this article How to debug a HardFault on an Arm® Cortex®-M STM32 can help you to debug the HardFault.
Also, you can take a look at this FLASH_EraseProgram example and check your code.
I hope this help you.
Thank you.
Kaouthar
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