(PCINT6/OC1B/ADC3)PA61(PCINT5/OC0B/ADC2)PA52(PCINT4/T0/ADC1)PA43(PCINT3/T1/SNS/ADC0)PA34(PCINT2/AIN1)PA25(PCINT1/AIN0)PA16(PCINT0/AREF)PA07GND8VCC9PC5(XTAL1/CLKI/PCINT17)10PC4(XTAL2/PCINT16)11PC3(RESET#/dW/PCINT15)12PC2(ADC11/CLKO/INT0/PCINT14)13PC1(ADC10/ICP1/SCL/USCK/XCK1/PCINT13)14PC0(ADC9/OC0A/XCK0/PCINT12)15PB3(ADC8/OC1A/PCINT11)16PB2(ADC7/DO/TXD1/PCINT10)17PB1(ADC6/DI/SDA/RXD1/PCINT9)18PB0(PCINT8/TXD0/ADC5)19PA7(PCINT7/RXD0/ADC4)20EP21