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DS90UB935-Q1: DS90UB934+DS90UB954, 954 has no output

Kailyn Chen
Genius 9560 points

Part Number: DS90UB935-Q1

Hello，

 One customer used DS90UB935+DS90UB954 with csi-2 synchronous mode, they have been linked normally,  and the MIPI CSI of DS90UB935 has normal input , but 954 has no output. 

935 configuration is following.

935 input clock:

935 register:

954 register:

Could you please help to analyze? 

Best regards

kailyn 

  • 0
    TI__Genius 16220 points

    Hi Kailyn,

    Thank you for the information. I will take a look and provide feedback.

    Just a few additional questions:

    1. What do you mean MIPI CSI of DS90UB935 has normal input? Does this mean you have an imager that is sending the CSI data or you using the patgen of the 935 to send the CSI data?
    2. Can you provide the video resolution, fps, FC rate, video format, Vertical front porch, and vertical back porch? I want to make sure the patgen is correct.

    Glenn