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Part Number: DS90UB954-Q1EVM
Other Parts Discussed in Thread: DS90UB953-Q1EVM, , ALP, USB2ANY

I need to change the VDDIO voltage from 1.8V to 3.3V (Jumper J16) because my SoC is using 3.3V Supply.

My setup is a DS90UB954-Q1EVM connected to a DS90UB953-Q1EVM via coaxial cable. There is no connection with the SoC yet. After starting up and connecting to AnalogLaunchPad, the serializer device is not recognized (UNKNOWN SERIALIZER) and in the "Register" tab I can't write to any registers.

It also seems that I can't read the registers (all have the value 0x0).

I would appreciate a hint.