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DS90UB940-Q1: Mapping mode consulting

Shuang Feng76
Expert 3310 points
Part Number: DS90UB940-Q1


Hi,

   Whether DS90UB940 could support only RNI1 single port receive data and DSI port 0 output data？

   There is no info for this configuration? if Yes, how to configure 940?

  • 0
    TI__Expert 6135 points

    Hi Shuang,

    Does your input need to be on RIN1? Can it be on RIN0? Typically for a single lane input on the 940, RIN0 is used.

    To configure:

    -the input is automatically configured based on 1 or 2 lane input, but you can also use register 0x34 to choose the mode of operation.

    -the CSI outputs are configured using MODE_SEL0 and MODE_SEL1. I have included a screenshot of Table 7 and Table 8 from the datasheet that contain helpful information. MODE_SEL0 controls how many data lanes and number of ports the output uses and MODE_SEL1 controls which CSI port you use.

    Best,

    Holly Roper