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STM32F769NI Discovery UART6 sends corrupted output

Question asked by Dhaval Patel on Mar 12, 2018
Latest reply on Mar 13, 2018 by Clive One

Hi,

I using

Board: STM32F769NI Discovery

CubeMx: 4.24.0

STM32Cube_FW_F7_V1.9.0

ARM MDK: 5.24.2.0

 

When I try to use UART6 for communicating with hyper terminal (or putty).

My UART6 and HT are configured as below

 

I get corrupted output on hyper terminal.

 

If I use UART1 via ST-link with baud rate 115200. I do get proper output on hyper terminal.

 

I tried to set different clock source for UART: PCLK2, SYSCLK, HSI, LSE but it doesn't resolve the issue.

My CubeMx setup is as below:

 

I don't understand why UART6 output doesn't work as it should be?

 

Any hint?

 

Thanks

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