(OC1B/ADC3)PA61(OC0B/ADC2)PA52(PCINT4/T0/ADC1)PA43(PCINT3/T1/SNS/ADC0)PA34(PCINT2/AIN1)PA25(PCINT1/AIN0)PA16(PCINT0/AREF)PA07GND8VCC9PC5(XTAL1/CLKI)10PC4(XTAL2/PCINT16)11PC3(RESET/dW/PCINT15)12PC2(ADC11/CLKO)13PC1(ADC10/ICP1)14PC0(ADC9/OC0A)15PB3(ADC8/OC1A)16PB2(ADC7/DO)17PB1(ADC6/DI)18PB0(PCINT8/TXD0)19PA7(PCINT7/RXD0)20EP21