AGND64AGND63AGND62AGND61V4GND60V459V3GND58V357AGND56AGND55AGND54AGND53V2GND52V251V1GND50V149AVCC48AGND47REFGND46REFCAPB45REFCAPA44REFGND43REFIN/REFOUT42AGND41AGND40REGCAP39AVCC38AVCC37REGCAP36AGND35REF SELECT34DB15/BYTE SEL33DB14/HBEN32DB1331DB1230DB1129DB1028DB927AGND26DB8/DOUTB25DB7/DOUTA24VDRIVE23DB622DB521DB420DB319DB218DB117DB016FRSTDATA15BUSY14CS#13RD#/SLCK12RESET11CONVST B10CONVST A9RANGE8STBY#7PAR#/SER/BYTESEL6OS25OS14OS03AGND2AVCC1