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DS90UB947-Q1EVM: to DS90UB948EVM LVDS signal frequency issue

user4782171
Intellectual 1560 points

Part Number: DS90UB947-Q1EVM

Hi Team,

  Here has one DS90UB947EVM to DS90UB948EVM setting question that need your help to have the siggestion for it.

      The issue is the LVDS output signal will be 27.78MHz but the LVDS signal appplied in Frequency is 54.34MHz.

     947 948 freq setting issue 09112018.pptx 947/948 H/W seeting is refer the user guide and S/W is using the default without any change.

      Attached is the wavforms and seting pictures.

Best regards,

Albert Lee.