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CCS/TMS320F28335: what is max speed of sci

sangeetha duraisamy
Prodigy 140 points
Part Number: TMS320F28335


Tool/software: Code Composer Studio

 please any one can help me??

        I tried to set the baud rate 921600bps in SCI communication

                 LSPCLK=150MHz

                         SYSCLKOUT=37.5MHz

                    my BRR=4 ( sci datasheet reference formula BRR=(SYSCLKOUT/921600*8) -1 )

     Is this possible connect to above speed??

           how we calculate the max speed of SCI in TMS320F28335??

  • 0
    TI__Genius 17315 points

    Sangeetha,

    Please see the F28335 datasheet sprs439n, page 137, section 6.2.10:

    http://www.ti.com/lit/sprs439

    Max bit rate is LSPCLK/16 for the SCI.

    So, for 150 MHz devices, 150 MHz/16 = 9.375 Mbps.

    This is the maximum guaranteed operating value.

    I hope this helps. If this answers your question, please click the green "Verified Answer" button. Thanks.

    - Ken

  • 0 in reply to Ken Schachter
    TI__Genius 17315 points

    Sangeetha,

    It's been a while since I have heard from you last. Therefore, I am assuming that my last reply resolved your issue and I will close this thread. If this isn’t the case, please reject this resolution or reply to this thread. If this thread locks, please make a new thread describing the current status of your issue. Thank you.

    - Ken