High 6 bits sample byte: +-----+-----+-----+-----+-----+-----+-----+-----+ | | | | | | | | | | 1 | 1 | ad11| ad10| ad 9| ad 8| ad 7| ad 6| | | | | | | | | | +-----+-----+-----+-----+-----+-----+-----+-----+ Low 6 bits sample byte: +-----+-----+-----+-----+-----+-----+-----+-----+ | | | | | | | | | | 0 | 0 | ad 5| ad 4| ad 3| ad 2| ad 1| ad 0| | | | | | | | | | +-----+-----+-----+-----+-----+-----+-----+-----+