| (XCK/T0)PB0 | <-> | 1 | -ATMEGA- 32 |
40 | <-> | PA0(ADC0) |
| (T1)PB1 | <-> | 2 | 39 | <-> | PA1(ADC1) | |
| (INT2/AIN0)PB2 | <-> | 3 | 38 | <-> | PA2(ADC2) | |
| (OC0/AIN1)PB3 | <-> | 4 | 37 | <-> | PA3(ADC3) | |
| (!SS)PB4 | <-> | 5 | 36 | <-> | PA4(ADC4) | |
| (MOSI)PB5 | <-> | 6 | 35 | <-> | PA5(ADC5) | |
| (MISO)PB6 | <-> | 7 | 34 | <-> | PA6(ADC6) | |
| (SCK)PB7 | <-> | 8 | 33 | <-> | PA7(ADC7) | |
| !RESET | --> | 9 | 32 | <-- | AREF | |
| VCC | --- | 10 | 31 | --- | GND | |
| GND | --- | 11 | 30 | --- | AVCC | |
| XTAL2 | <-- | 12 | 29 | <-> | PC7(TOSC2) | |
| XTAL1 | --> | 13 | 28 | <-> | PC6(TOSC1) | |
| (RXD)PD0 | <-> | 14 | 27 | <-> | PC5(TDI) | |
| (TXD)PD1 | <-> | 15 | 26 | <-> | PC4(TDO) | |
| (INT0)PD2 | <-> | 16 | 25 | <-> | PC3(TMS) | |
| (INT1)PD3 | <-> | 17 | 24 | <-> | PC2(TCK) | |
| (OC1B)PD4 | <-> | 18 | 23 | <-> | PC1(SDA) | |
| (OC1A)PD5 | <-> | 19 | 22 | <-> | PC0(SCL) | |
| (ICP1)PD6 | <-> | 20 | 21 | <-> | PD7(OC2) |