image/svg+xml ATmega168 PD3 PD2 PD4 PD1 GND PD0 VCC PC6 GND PC5 VCC PC4 PB6 PC3 PB7 PC2 PD5 PC1 PD6 PC0 PD7 ADC7 PB0 GND PB1 AREF PB2 ADC6 PB3 AVCC PB4 PB5