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DS90UB953A-Q1: SerDes with CSI-2 interface question.

Jongpil Chae
Prodigy 200 points

Part Number: DS90UB953A-Q1

Hello, 

I develop MIPI CSI-2 Camera module with SerDes (DS90UB953A-Q1/DS90UB954) 

My Camera Module support MIPI 2-lane. 

but  DS90UB953/954 support MIPI 4-lane signal. 

How to deal with  unused 2-lane signal ? 

Thank you. 

  • 0
    TI__Guru** 113150 points

    Hello Jongpil,

    you need to connect phisically the sensors 2 CSI-2 lanes to the SER CSI-2 lane 0 and lane 1. The other lanes can be kept unconnected.

    Once you want to operate your camera, you need to set the SER reg 0x02 to 2-Lane Configuration.