Problem entering the bootloader using the STM32H753 and pattern 8

TSosi.1 · ‎2022-03-02

We are using the STM32H753 and cannot enter the bootloader using pattern 8.

AN2606 states that when BOOT0 is low and the option byte BOOT_ADD0 is 0x0040, then the bootloader is activated.

Does this work for the STM32H753?

Pattern 8

Option byte set to 0x0040 in STM32CubeProgrammer

Thanks for your help!

TDK · ‎2022-03-02

For the H74xxx/75xxx bootloader, AN2606 says the bootloader is activated by pattern 10, not pattern 8.

Pattern 10:

If you feel a post has answered your question, please click "Accept as Solution".

View solution in original post

TDK · ‎2022-03-02

For the H74xxx/75xxx bootloader, AN2606 says the bootloader is activated by pattern 10, not pattern 8.

Pattern 10:

If you feel a post has answered your question, please click "Accept as Solution".

TSosi.1 · ‎2022-03-02

Thank you again TDK! I learned twice today.

TSosi.1 · ‎2022-03-02

I will try this today, but I think I tried this already and it didn't work. I will come back.

TSosi.1 · ‎2022-03-02

Ok I tried this again. With my setup, I seem to have trouble entering into the bootloader on a power cycle. If I reset the processor by pulling NRST low and releasing I can communicate with the bootloader.

Thanks TDK for your help.