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Hi! I decide to use the integratet bootloader by UART. In my application the TX-Pin is invertert and so I enable "TX Pin Active Level Inversion" in CubeMX. That will work for my application program. Does ist work for the bootloader also? Bernd

BHeiß.1
Associate II

‎2020-11-20 2:12 AM

 
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TDK
Guru

‎2020-11-20 5:41 AM

No, any special pin settings made in CubeMX won't be applied to the bootloader as it resides in ROM.

https://www.st.com/resource/en/application_note/cd00167594-stm32-microcontroller-system-memory-boot-mode-stmicroelectronics.pdf

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BHeiß.1
Associate II

‎2020-11-20 5:51 AM

Thanks! I hoped the hardware will bee easier...

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