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with stm32h750vb，I wanna flash firmware by usart1，but when i set boot0=1，i can't connect the mcu，and if i use swd two wire debug port，the usart1 rx pin must not connect to mcu，if connect，stlink cant connect to mcu。i dont know why

kluna.1
Associate

‎2020-02-19 11:57 PM

 
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