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DS90UR916Q-Q1: DS90UR916 connect to DS90UR241, not RGB output

Part Number: DS90UR916Q-Q1
Other Parts Discussed in Thread: DS90UR241, DS90UR124

Dear all:


Our customer want to used DS90UR916 connect DS90UR241, but not RGB output. Please help check any config that we must do on 916 or 241? if have any thing missed? thanks! 

   Test condition: 

     1. We set CONFIG[1:0] to 10 with HW or  I2C test waveform.docx , but  DS90UR241 LOCK always  pull low(PLL Unlocked), attached is waveform,please help to check is it ok for the sequence? 

     2. We used DS90UR905 connect to DS90UR916, RGB output abnormal. LOCK=1 PLL is locked.

     3. We uesd DS90UR124 connect to DS90UR241, RGB output abnormal. LOCK=1 PLL is locked.2260.test waveform.docx5488.DS90UR916 Circuit.docx