I am trying to load my code using USART in STM32F730Z8T6 via st-link v2 usbdriver(Bootloader provided by ST). I am getting "No response from device" error message. How do I fix this?

[SVark.18]

The hardware pin has been set high and the boot address in register is same as ST programmed value. Baud rate is set to 9600.

[Tesla DeLorean]

Does it function otherwise?

What board?

Is it using a supported USART and pins?

[S.Ma]

Is bootloader triggered by configuring the BOOT0 pin which level is latched at reset rising edge?

Maybe do this manually, then use the USART?

[SVark.18]

@Community member​ 

Yes the board functions otherwise. We have designed our own board. PA9 and PA10 have been used for USART and they are supported.