TXD/P3.11P0.02XTAL23XTAL14INT0/P3.25P0.16INT1/P3.37ECI/T0/P3.48P3.5/T1/PCA1/PWM19P2.4/PCA3/PWM310P2.511GND12P2.613P2.714P3.7/PCA0/PWM015P1.0/ADC0/CLKOUT016P1.1/ADC1/CLKOUT117P1.2/ADC218P0.219P1.3/ADC320P1.4/SS/ADC421P0.322P1.5/MOSI/ADC523P1.6/MISO/ADC624P1.7/SCLK/ADC725P2.0/PCA2/PWM226P2.127VCC28P2.229P2.330RST31RXD/P3.032