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DS90UB927Q-Q1: DS90UB927Q-Q1 Test Pattern issue on custom board

Part Number: DS90UB927Q-Q1
Other Parts Discussed in Thread: DS25BR110, DS25BR120

Hi all,

I have two different custom pcbs which are one of them has ds90ub927q-q1 FPD LINK  III Serializer and the other has ds90ub928 FPD LINK III Deserializer ICs. I can completely read and write all registers via iic channels.

My system diagram shown like below,

In test pattern mode, When i try to get test pattern image, every time i get that screen which is shown below. Is there any suggestion for that sissue?

In normal datapass mode, I get some color mismatch problems which are shown below,

DS90UB927 design;

DS90UB928 design;