UART Baud rate CMSIS Drivers

Hi all,

I am working with the STM32F7 Disco, trying to use USART6 with CMSIS Drivers and RTOS (v1). With the ARM_USART_Control function, I can control the argument of Baud Rate, such as 9600, 115200... I had already tried on MCB1768 and it was working as expected. With the Disco board, I can send and receive bytes, but the baud rate is not correct. By instance, if I want a baud rate of 115200, the argument has to be about 10700 (this value obtained after some "scaling" tests) instead of 115200. 

Do you have an idea where this is coming from?

Thank you, best regards


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