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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


I using

Board: STM32F769NI Discovery

CubeMx: 4.24.0




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?