ATmega1280 pinout
Every pin of the ATmega1280 in its 2 packages, with all its functions. Select a pin to see what it does.
CBGA pin table
| Pin | Pad | Functions |
|---|---|---|
| A1 | GND | Ground |
| A2 | AREF | Supply or reference |
| A3 | PF0 | PF0ADC0 |
| A4 | PF2 | PF2ADC2 |
| A5 | PF5 | PF5ADC5TMS |
| A6 | PK0 | PK0ADC8PCINT16 |
| A7 | PK3 | PK3ADC11PCINT19 |
| A8 | PK6 | PK6ADC14PCINT22 |
| A9 | GND | Ground |
| B1 | AVCC | Supply or reference |
| B2 | PG5 | PG5OC0B |
| B3 | PF1 | PF1ADC1 |
| B4 | PF3 | PF3ADC3 |
| B5 | PF6 | PF6ADC6TDO |
| B6 | PK1 | PK1ADC9PCINT17 |
| B7 | PK4 | PK4ADC12PCINT20 |
| B8 | PK7 | PK7ADC15PCINT23 |
| B9 | PA0 | PA0 |
| C1 | PE2 | PE2AIN0XCK0 |
| C2 | PE0 | PE0PCINT8RXD0 |
| C3 | PE1 | PE1TXD0 |
| C4 | PF4 | PF4ADC4TCK |
| C5 | PF7 | PF7ADC7TDI |
| C6 | PK2 | PK2ADC10PCINT18 |
| C7 | PK5 | PK5ADC13PCINT21 |
| C8 | PJ7 | PJ7 |
| C9 | PA1 | PA1 |
| D1 | PE3 | PE3AIN1OC3A |
| D2 | PE4 | PE4INT4OC3B |
| D3 | PE5 | PE5INT5OC3C |
| D4 | PE6 | PE6INT6T3 |
| D5 | PH2 | PH2XCK2 |
| D6 | PA4 | PA4 |
| D7 | PA5 | PA5 |
| D8 | PA6 | PA6 |
| D9 | PA7 | PA7 |
| E1 | PE7 | PE7CLKO0ICP3INT7 |
| E2 | PH0 | PH0RXD2 |
| E3 | PH1 | PH1TXD2 |
| E4 | PH3 | PH3OC4A |
| E5 | PH5 | PH5OC4C |
| E6 | PJ6 | PJ6PCINT15 |
| E7 | PJ5 | PJ5PCINT14 |
| E8 | PJ4 | PJ4PCINT13 |
| E9 | PJ3 | PJ3PCINT12 |
| F1 | VCC | Supply or reference |
| F2 | PH4 | PH4OC4B |
| F3 | PH6 | PH6OC2B |
| F4 | PB0 | PB0PCINT0SS |
| F5 | PL4 | PL4OC5B |
| F6 | PD1 | PD1INT1SDA |
| F7 | PJ1 | PJ1PCINT10TXD3 |
| F8 | PJ0 | PJ0PCINT9RXD3 |
| F9 | PC7 | PC7 |
| G1 | GND | Ground |
| G2 | PB1 | PB1PCINT1SCK |
| G3 | PB2 | PB2MOSIPCINT2 |
| G4 | PB5 | PB5OC1APCINT5 |
| G5 | PL2 | PL2T5 |
| G6 | PD0 | PD0INT0SCL |
| G7 | PD5 | PD5XCK1 |
| G8 | PC5 | PC5 |
| G9 | PC6 | PC6 |
| H1 | PB3 | PB3MISOPCINT3 |
| H2 | PB4 | PB4OC2APCINT4 |
| H3 | RESET | Reset |
| H4 | PL1 | PL1ICP5 |
| H5 | PL3 | PL3OC5A |
| H6 | PL7 | PL7 |
| H7 | PD4 | PD4ICP1 |
| H8 | PC4 | PC4 |
| H9 | PC3 | PC3 |
| J1 | PH7 | PH7T4 |
| J2 | PG3 | PG3TOSC2 |
| J3 | PB6 | PB6OC1BPCINT6 |
| J4 | PL0 | PL0ICP4 |
| J5 | XTAL2 | Crystal or clock |
| J6 | PL6 | PL6 |
| J7 | PD3 | PD3INT3TXD1 |
| J8 | PC1 | PC1 |
| J9 | PC0 | PC0 |
| K1 | PB7 | PB7OC0AOC1CPCINT7 |
| K2 | PG4 | PG4TOSC1 |
| K3 | VCC | Supply or reference |
| K4 | GND | Ground |
| K5 | XTAL1 | Crystal or clock |
| K6 | PL5 | PL5OC5C |
| K7 | PD2 | PD2INT2RXD1 |
| K8 | PD6 | PD6T1 |
| K9 | PD7 | PD7T0 |
| A10 | VCC | Supply or reference |
| B10 | PA2 | PA2 |
| C10 | PA3 | PA3 |
| D10 | PG2 | PG2 |
| E10 | PJ2 | PJ2PCINT11XCK3 |
| F10 | GND | Ground |
| G10 | VCC | Supply or reference |
| H10 | PC2 | PC2 |
| J10 | PG1 | PG1 |
| K10 | PG0 | PG0 |