I want to use the ADC->AD1954 to implement my project.I set the serial interface mode of the ADC to be master mode and I^2S.So I need to set the serial infterface mode of the AD1954 to be slave mode and I^2S. But I can'f find where to set the slave mode in the AD1954. Can you help me? And what is the defualt setting for the serial interface mode in the AD1954.?