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i.MX6SDL fractional-N synthesizer

Question asked by Satoshi Shimoda on Jan 16, 2014
Latest reply on Jan 16, 2014 by Yuri Muhin

Hi community,

 

I want to confirm about fractional-N synthesizer of i.MX6SDL CCM.

Please see my questions below.

 

[Q1]

Please see chapter 18.5.1.3.3 in IMX6SDLRM Rev.1.

I understand fractional-N synthesizer is used for RF application generally.

However, i.MX6 system PLL is not connected to RF module directly.

So I guess this fractional-N synthesizer is prepared for spectrum spread.

Is my understanding correct?

 

[Q2]

Please see chapter 18.5.1.3.4.

It says "It has a Fractional-N synthesizer" for Audio/Video PLL, also.

However, I cannot find a register for setting fractional-N synthesizer of Audio/Video PLL.

Is the discription misprint?

If there is a fractional-N synthesizer, could you let me know how to set it?

 

 

Best Regards,

Satoshi Shimoda

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