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DS90UB940-Q1: DS90UB940-Q1

Hope Chen
Expert 1030 points
Part Number: DS90UB940-Q1

hi 

When the 03x4 of RX_LOCK_MODE is "1" ,the LOCK pin of DS90UB940-Q1 is "1". but when the 03x4 of RX_LOCK_MODE is "0" ,the LOCK pin of DS90UB940-Q1 is "0" ,unlock

Would you help check it and give us any advice for the case,or help explain the difference 03x4 is “1” or “0” when the DS90UB940-Q1 in work

  

  • 0
    TI__Guru** 108100 points
    Hello Hope,

    In reg 0x34[6] you can define which LOCK Mode you do want to use. If you write "1" then LOCK will not go high until you have a valid video data at the 940 input. But if you write "0" then LOCK will go high as soon as you have a connection to the Serializer, without looking for valid video.