NC1NC2REFV3IAP4IAN5AGND6IBP7IBN8AVCC9ICP10ICN11VAP12VAN13VBP14VBN15VCP16VCN17INP18INN19RA20NC21CF522CF423CF324CF225CF126RSTN27DVCC28DGND29NC30INTN131SDO32SCLK33SCSN34SDI35XO36XI37VO38DGND39DVCC40RB41PM42RC43NC44