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LMK05318EVM: Frequency setting issue

Tommy Tzeng
Genius 4805 points

Part Number: LMK05318EVM

Hi Sir,

changed CH0_1 Freq. from 156250000 to 156262500 and pressd "Calculate Frequency Plan", but actual Freq. is displayed as 0 and the frequency point can not be adjust.

the attached file is currently configuration file .tcs,

please kindly help why can't modify the output frequency?

LMK05318.rar

  • 0
    TI__Mastermind 18070 points

    Hi Tommy,

    That's because you need to set the source from PLL1 to PLL2 because it can't be generated from the same PLL with 156.25MHz.

    Actually, we now have a newer wizard that takes care this kind of things automatically. I recommend using the wizard for LMK05318B. If you still need to program the LMK05318 IC, then select "backward compatible" in the first wizard page.

    Regards,
    Hao