AINCOM1AIN52AIN43AIN34AIN25AIN16AIN07START/SYNC8CS#9DIN10SCLK11DOUT/DRDY#12DRDY#13DGND14IOVDD15DVDD16CLK17RESET#18GPIO3/AIN1119GPIO2/AIN1020GPIO1/AIN921GPIO0/AIN822REFOUT23REFCOM24NC25AVDD26AVSS27AVSS28REFN029REFP030REFN1/AIN731REFP1/AIN632EP33