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DS90UB954-Q1: configuration when paired with DS90UB933-Q1

Dongbao Zhou
Expert 4170 points
Part Number: DS90UB954-Q1

Hello,

Could you please suggest the registers configuration of 954 when it's paired with 933?

Input format of 933 is YUV422, using lower 8-bit, resolution 1280*720.  954 use RX port 0, with 4 MIPI lanes/400M. 

Below is the configuration customer used but they failed to get the output data.

      0x0C  0x81

      0x20  0x20

      0x21  0x01

      0x33  0x41

      0x4C  0x01

      0x58  0x58

      0x6D 0x7F

      0x7C  0xE3

      0xBC  0x1F

  • 0
    TI__Mastermind 30515 points
    Dongbao, you can refer to the script in ds90ub96x EVM board page22 on how to configure the CSI2-based de-serializer. generally, you need check the data type, LV/HV valid level, high or low 8bits, CSI2 forwarding etc., then you can check reg. 0x73~0x76, which includes line number and line legth.

    regards,
    Steven