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Dec 1, 2020 at 22:57 comment added Chris Stratton Basically you'd only have BOOT0 high to enter the bootloader, either if you wanted to use that rather than SWD to load code, or if you were trying to prevent bad code (say code that reconfigures the SWD pins as GPIOs) from running so that you can use SWD to change it.
Dec 1, 2020 at 19:57 comment added Justme BOOT0 must be low to run your program regardless of how you program it.
Dec 1, 2020 at 19:39 comment added Hossein Thank you for your guidance. so after programming, the BOOT0 must be pulled down?
Dec 1, 2020 at 19:32 history answered Justme CC BY-SA 4.0