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[STM32H743XGH6] Flash memory

NiM
Associate III

‎2025-08-22 1:30 AM

I believe the STM32H743XGH6 has 1 MB of internal flash memory. However, using STM32CubeProgrammer, I was able to write and read data to the reserved area at 0x8180 0000. Is it okay to use this area?

The built-in Flash Memory areas of the STM32H743XGH6 are recognized as
0x8100 0000-0x817F FFFF and 0x8000 0000-0x0801 FFFF.

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mƎALLEm
ST Employee

‎2025-08-22 2:08 AM - edited ‎2025-08-22 2:08 AM

Hello,

This zone of Flash is physically available but not tested in production so its usage is not guaranteed: its usage is  NOT recommended.

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