-16 λ A/D ÃÜ 22 XTAL1 7 P1.4/ADC4 XTAL2 4 ÃÜ13 P1.5/ADC5 21 INT0/P3.2 8 P1.3/ADC3 P1.2/ADC2/EX_LVD/RST2 XTAL1 5 12 INT1/P3.3 9 20 P1.2/ADC2/EX_LVD/R UART P1.1/ADC1CLKOUT0/ECI/T0/P3.4 INT1/P3.3 6 11 1.