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arduo
Associate III
January 29, 2019
Question

UART Frequency?

  • January 29, 2019
  • 1 reply
  • 573 views

How can i change the Frequency/Speed by which the Data is transfered to the UART TX pin?

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    1 reply

    Tesla DeLorean
    Guru
    January 29, 2019

    Change the BRR (Baud Rate Register) to reflect the division from the APB you which to achieve. Expect you might have to disable USART while you do this, and you should make sure all pending data has been sent. Incoming bytes might be lost. And you might have to clear noise or framing errors.

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    arduo
    arduoAuthor
    Associate III
    January 30, 2019

     UartHandle.Init.BaudRate   = 9600;

    How can I set up te BRR Register for my USART3?