PB0 (XCK0T0PCINT8)40PB1 (T1CLKOPCINT9)41PB2 (AIN0INT2PCINT10)42PB3 (AIN1OC0APCINT11)43PB4 (SS#OC0BPCINT12)44PB5 (PCINT13ICP3MOSI)1PB6 (PCINT14OC3AMISO)2PB7 (PCINT15OC3BSCK)3RESET#4PD0 (PCINT24RXD0T3)9PD1 (PCINT25TXD0)10PD2 (PCINTRXD126INT0)11PD3 (PCINTTXD127INT1)12PD4 (PCINT28XCK1OC1B)13PD5 (PCINT29OC1A)14PD6 (PCINT30OC2BICP)15PD7 (PCINT31OC2A)16XTAL27XTAL18GND6PC0 (PCINT16SCL)19PC1 (PCINT17SDA)20PC2 (PCINT18TCK)21PC3 (PCINT19TMS)22PC4 (TDOPCINT20)23PC5 (TDIPCINT21)24PC6 (TOSC1PCINT22)25PC7 (TOSC2PCINT23)26AREF29AVCC27GND28PA7 (ADC7PCINT7)30PA6 (ADC6PCINT6)31PA5 (ADC5PCINT5)32PA4 (ADC4PCINT4)33PA3 (ADC3PCINT3)34PA2 (ADC2PCINT2)35PA1 (ADC1PCINT1)36PA0 (ADC0PCINT0)37VCC5VCC17GND18VCC38GND39