0 Replies Latest reply on Dec 13, 2013 3:42 AM by senthilnathan.lingasamy

    Clock settings to achieve maximum baud rate for UART

    senthilnathan.lingasamy

      How to achieve maximum baud rate for my UART in PSoC?

         

      Ans:

         

      For a given baud-rate, UART clock should be 8 times the baud-rate (bits per second).

         

      To operate at maximum baud-rate, 

         

      1. Enable USB clock and configure it as IMO*2 (IMO as 24MHz).

         

      2. Now, IMO will have only 0.25% tolerance as it is synchronised to the USB clock.

         

      3. Use IMO as the clock source for the UART transmitter and receiver.

         

      4. Then, it is possible to achieve maximum baud-rate of 6 Mbits/sec.