VCC1(PCINT0/T0/CLKI/AIN0/ADC0/TPICLK)PA02(PCINT1/OC0B/AIN1/TPIDATA)PA13(PCINT2/RESET#)PA24PB1(ADC5/CLKO/INT0/OCA0A/PCINT9)5PB2（ADC6/ICP0/TXD0/PCINT10)6PB3(ADC7/T0/RXD0/ACO/PCINT11)7GND8EP9