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Downloading binary using Bootloader Mode using USART

KGane.1
Associate III

‎2022-01-17 7:46 PM

I have STM32H753XI-EVAL2 board with CN2(USART1) connected to PC. Switch 1 position is set to 1(Sys Mem).

I am getting error when tried to connect using STM32 CubeProgrammer.

19:43:22 : RTS low

 19:43:22 : DTR low

 19:43:22 : Serial Port COM18 is successfully opened.

 19:43:22 : Port configuration: parity = even, baudrate = 9600, data-bit = 8,           stop-bit = 1.0, flow-control = off

 19:43:24 : Timeout error occured while waiting for acknowledgement.

 19:43:24 : Timeout error occured while waiting for acknowledgement.

 19:43:24 : Error: Activating device: KO. Please, verify the boot mode configuration and check the serial port configuration. Reset your device then try again... 

Did anyone observe the same?

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10 REPLIES 10
Pavel A.
Super User
In response to Pavel A.

‎2022-01-20 10:28 AM

Note that USART1 on this board has dual connection: it can be routed to the DB9 serial connector or to ST-LINK as a "virtual COM port".

This is selected by two jumpers. Make sure that the jumpers are installed as you need.

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