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Observer jessexi
Observer
860 Views
Registered: ‎03-06-2018

HDMI TX Pll type is CPLL,How much is max line rate of HDMI TX?

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Hi Xilinx

 

   HDMI TX pll type is CPLL,in UG476 the CPLL operate range between 1.6GHz to 3.3Ghz.

 CPLl.bmp

 

  TX Max GT Line Rate is 5.94Ghz in vid_phy IP. In my opinion,MAX CPLL freqency and Max GT line rate are conflicting.

 

  vid.bmp

    I want to konw how much is max line rate of HDMI TX?

    

    Device is XC7V485T.

 

    Thanks a lot

 

 

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Xilinx Employee
Xilinx Employee
1,026 Views
Registered: ‎08-02-2007

Re: HDMI TX Pll type is CPLL,How much is max line rate of HDMI TX?

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@jessexi

 

The MAX GT Line rate in Video PHY GUI is based on the max line rate needed for NI-DRU, QPLL and CPLL, as it can be configured via driver to use QPLL or CPLL.

 

Please take a look at table 3-8 (page 70) of PG230 , the CPLL Line rate range aligns with UG476GT_Line_rate.JPG

 

3 Replies
Xilinx Employee
Xilinx Employee
1,027 Views
Registered: ‎08-02-2007

Re: HDMI TX Pll type is CPLL,How much is max line rate of HDMI TX?

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@jessexi

 

The MAX GT Line rate in Video PHY GUI is based on the max line rate needed for NI-DRU, QPLL and CPLL, as it can be configured via driver to use QPLL or CPLL.

 

Please take a look at table 3-8 (page 70) of PG230 , the CPLL Line rate range aligns with UG476GT_Line_rate.JPG

 

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Moderator
Moderator
737 Views
Registered: ‎11-09-2015

Re: HDMI TX Pll type is CPLL,How much is max line rate of HDMI TX?

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Hi @jessexi,

 

If your question is answered or your issue is solved, please kindly mark the response which helped as solution (click on "Accept as solution" buton below the reply)

If this is not solved/answered, please reply in the topic giving more information on your current status.

Thanks and Regards,


Florent
Product Application Engineer - Xilinx Technical Support EMEA
**~ Don't forget to reply, give kudos, and accept as solution.~**
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Observer jessexi
Observer
731 Views
Registered: ‎03-06-2018

Re: HDMI TX Pll type is CPLL,How much is max line rate of HDMI TX?

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Hi xilinx

   

  sorry for reply late.

 

  Thanks for your help.

 

  my issue is solved

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