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TMS320F28027: SCI：calculate deviation

Seven Han
Intellectual 600 points
Part Number: TMS320F28027

Dear all,

How to accurately calculate the deviation of SCI when TMS320F28027 uses internal oscillator?  I did not find the instructions in datasheet.Can you provide relevant information?

The internal oscillator of the chip is 10M. What is the deviation of its oscillator? The internal oscillator of the chip is 10M. What is the deviation of its oscillator? This deviation will affect the baud rate, this deviation will affect the data transmission?

Thank you!

  • 0
    TI__Genius 17315 points
    Seven,

    The INTOSC deviation is within +/-3%. The SCI data rate deviation should be constant and linear with the deviation of the INTOSC.

    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
    Seven,

    It's been a while since we have heard from you last. Therefore, we are assuming you were able to resolve your issue. 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