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SN75DPHY440SS: end-point testing

Part Number: SN75DPHY440SS

Hi Team,

The customer has their PCB back currently trying to bring it up.

Unfortunately, they do not have an end-point available to test this with. See my setup in the block diagram below.

 

They able to get a clock and data signal transmitted into the D-Phy Re-Timer. However I do not see any output from the re-timer.

Is this expected in the config I have ?

Is there any way to validate that the part works as expected without an endpoint?

Thanks, Joey