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TMS570LC4357: code workarround errata PLL(spna233a) : when disabling the PLL, why 16 times check before declaring it invalide

amira aouina
Prodigy 30 points

Part Number: TMS570LC4357

In the code workarround errata PLL(spna233a) : when disabling the PLL, If after checking 16 times, the PLL is still not disabled, the PLL is considered invalid. Where the 16 value come from?

Thanks and Regards

Amira

  • 0
    TI__Mastermind 21425 points
    Hello amira,
    The number of retries are not specified but TI recommends a minimum of five attempts!
    The number of retries is input parameter to errata functions. This parameter determines the maximum number of PLL lock attempts to try before exiting with an error. If a count of zero is given, the routine continues to attempt a proper PLL lock until successful.

    Best regards,
    Miro