SDI#1RST#/PD#2DAISY3REFSEL#4REFIO5REFGND6REFCAP7AGND8AVDD9AUX_IN10AUX_GND11NC12NC13NC14NC15AIN_0P16AIN_0GND17AIN_1P18AIN_1GND19AIN2_GND20AIN_2P21AIN_3GND22AIN_3P23NC24NC25NC26NC27AGND28AGND29AVDD30AGND31AGND32DGND33DVDD34ALARM35SDO36SCLK37CS#38