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DS90UB954-Q1EVM: OV2775 remote connection SCCB

Part Number: DS90UB954-Q1EVM

Hello 

I built a 954/953 system for the OV2775 sensor, I can connect to the 953 well and change the GPIOs so the sensor will turn on, but I cannot read any register of the sensor, I have tried different things but still no response, the sensor is supposed to be on now since I checked the PWDNB and RESET pins manually and they are high.