AMC7812: seeking support for I2C communication in AMC7812

Part Number: AMC7812

        Hi, I am using a texas based I2C controller AMC7812 for reading ADC values of adc channels in AMC7812. The master controller is AT32UC3a1512 of atmel. I am able to send the I2C commands from master but I am not getting any ack or any data from AMC7812. Kindly suggest me how to get data from AMC7812. I2C mode is enabled by grounding SPI/I2C pin and the slave ID is also selected based upon A0,A1 and A2 pins. Seeking urgent support on this issue.

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