RST/VPP1(RXD)P3.02(TXD)P3.13XTAL24XTAL15(INT0)P3.26(INT1)P3.37(TO)P3.48(T1)P3.59GND10P3.711P1.0(AIN0)12P1.1(AIN1)13P1.214P1.315P1.416P1.517P1.618P1.719VCC20