(MOSI)PB51(MISO)PB62(SCK)PB73RESET#4VCC5GND6XTAL27XTAL18(RXD)PD09(TXD)PD110(INT0)PD211(INT1)PD312(OC1B)PD413(OC1A)PD514(ICP1)PD615(OC2)PD716VCC17GND18(SCL)PC019(SDA)PC120(TCK)PC221(TMS)PC322PC4(TDO)23PC5(TDI)24PC6(TOSC1)25PC7(TOSC2)26AVCC27GND28AREF29PA7(ADC7)30PA6(ADC6)31PA5(ADC5)32PA4(ADC4)33PA3(ADC3)34PA2(ADC2)35PA1(ADC1)36PA0(ADC0)37VCC38GND39PB0(XCK/T0)40PB1(T1)41PB2(AIN0/INT2)42PB3(AIN1/OC0)43PB4(SS#)44EP45