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DFU for STM32L optimized to not program pages containing 0x00?

MSipo
Senior II

‎2020-04-20 7:47 AM

As the STM32L flash is erased the memory cells are set to 0x00 (not 0xFF). Is there a DFU tool that can optimize firmware upgrade that skips programming of blocks already containing 0x00? The DfuSe Demo only has "Optimize Upgrade duration (Remove some FFs)".

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TDK
Super User

‎2020-04-20 10:49 AM

STM32CubeProgrammer can perform a DFU upgrade as well. It is more recent and may have features you're requesting.

Does the STM32L flash really erase to 0x00 and not 0xFF? Is it a different type of flash than all the other ST chips?

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