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DS90UB928Q-Q1: May I ask, what is the purpose of MODE-SEL configuration for DS90UB928 chip

Bao Songhao
Intellectual 840 points
Part Number: DS90UB928Q-Q1

May I ask, what is the purpose of MODE-SEL configuration for DS90UB928 chip,REPEAT、BKWD、I2S_B、LCBL Level is different, what is the role？

In addition, is the output of DS90UB928 LVDS？

  • 0
    TI__Mastermind 33485 points

    Hi Bao,

    Bao Songhao said:
    In addition, is the output of DS90UB928 LVDS？

    Yes, the output of the DS90UB928 is LVDS.

    Bao Songhao said:
    May I ask, what is the purpose of MODE-SEL configuration for DS90UB928 chip,REPEAT、BKWD、I2S_B、LCBL Level is different, what is the role？

    MODE_SEL allows the user to configure different functional modes for the device without having to write to internal registers.

    • REPEAT - If set high, allows the 928 to enter repeater mode. See datasheet section 8.4.5 for more details
    • BKWD - Backward Compatible Mode. Allows the 928 to be compatible with UR905 and UR907 FPD-Link II serializers
    • I2S_B - When paired with a UB925 or UB928, enabling I2S_B allows for four channel audio. Video color will be reduced to 18-bits
    • LCBL - Long Cable. Adjusts the equalizer to optimize for longer cables.

    Best,

    Jack