(MISO/DO/OSC0A/ADC2/PCINT2)PA21(INT1/ISRC/ADC3/PCINT3)PA32AVCC3AGND4(MOSI/SDA/DI/ICP1/ADC4/PCINT4)PA45(SCK/SCL/USCK/T1/ADC5/PCINT5)PA56(SS#/AIN0/ADC6/PCINT6)PA67(AREF/XREF/AIN1/ADC7/PCINT7)PA78(dW/RESET#/OC1BX/ADC10/PCINT15)PB79(INT0/OC1AX/ADC9/PCINT14)PB610PB5(PCINT13/ADC8/OC1BW/XTAL2/CLKO)11PB4(PCINT12/OC1AW/XTAL1/CLKI)12VCC13GND14PB3(PCINT11/OC1BV)15PB2(PCINT10/OC1AV/USCK/SCL)16PB1(PCINT9/OC1BU/DO)17PB0(PCINT8/OC1AU/DI/SDA)18PA0(PCINT0/ADC0/RXD/RXLIN)19PA1(PCINT1/ADC1/TXD/TXLIN)20EP21