VCC20P1.7(SCK)19P1.6(MISO)18P1.5(MOSI)17P1.416P1.315P1.214P1.1(AIN1)13P1.0(AIN0)12P3.711GND10(T1)P3.59(T0)P3.48(INT1#)P3.37(INT0#)P3.26XTAL15XTAL24(TXD)P3.13(RXD)P3.02RST/VPP1