STM32 Flash

Embedded bootloader

The embedded bootloader mode is used to reprogram the Flash memory using one of the following serial interfaces:

• SWD Default
• USART1 (PA9/PA10)
• USART3 (PB10/11 and PC10/11)
• CAN2 (PB5/13)
• USB OTG FS (PA11/12) in Device mode (DFU: device firmware upgrade).

ISP USART

• BOOT0 should be pull to high, foce chip into system memory
• Flash loader demostrator from official ST = Flasher
• https://www.st.com/en/development-tools/flasher-stm32.html

• Flash demonstrator 01.png

  Use guide 01

• Flash demonstrator 02.png

  Select memory size

• Flash demonstrator 03.png

  upload code

Debug

• If SWD Serial-Wire is not enable, add reset line to force enter into debug mode