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About Spread Spectrum of PLL2 for DDR3L with i.MX6UL

Question asked by yuuki on Jul 6, 2016
Latest reply on Jul 8, 2016 by Artur Petukhov

Dear all,

 

We have a question about Spread Spectrum of PLL2 of i.MX6UL.

 

Only PLL2(SystemPLL) supports Spread Spectrum.

We want to use this Spread Spectrum for a peripheral.

 

However, this PLL2 is used for MMDC module.

When DDR3L is used, may this Spread Spectrum cause any trouble?

 

In this case should PLL4 be chosen for MMDC?

 

May I have advice?

 

Best Regards,

Yuuki

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