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PLLATINUMSIM-SW: "Integrated Spur Metrics" and "MASH Seeds"


Hi all

Would you mind if we ask Clock Tree Architect?

On PLLatinum software, there are the setting "Integrated Spur Metrics" and "MASH Seeds" like as follows;

What should are these contents used for?

Kind regards,

Hirotaka Matsumoto

  • Hi team

    We guess that your team is so busy.
    However, if you have some update for our post, could you let us know?

    Kind regards,

    Hirotaka Matsumoto

  • Matsumoto-san,

    When using the part in fractional mode with a fractional denominator of about 400 or less, you can actually program MASH_SEED and it can impact the spurs and make them better or worse.  PLLatinum Sim models this effect.  Also, if you change "Calculate Spurs" to one of the options to optimize the spurs, it can recommend some values for the MASH_SEED for you.