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A mapping of Arduino Mega pin functionality onto Atmega 1280 pins
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| =============== =========== ======================== | |
| Atmega 1280 Pin Arduino Pin Arduino Special Function | |
| --------------- ----------- ------------------------ | |
| PA0 Digital 22 | |
| PA1 Digital 23 | |
| PA2 Digital 24 | |
| PA3 Digital 25 | |
| PA4 Digital 26 | |
| PA5 Digital 27 | |
| PA6 Digital 28 | |
| PA7 Digital 29 | |
| PB0 Digital 53 | |
| PB1 Digital 52 ICSP SCK | |
| PB2 Digital 51 | |
| PB3 Digital 50 ICSP MISO | |
| PB4 Digital 10 PWM | |
| PB5 Digital 11 PWM | |
| PB6 Digital 12 PWM | |
| PB7 Digital 13 PWM | |
| PC0 Digital 37 | |
| PC1 Digital 36 | |
| PC2 Digital 35 | |
| PC3 Digital 34 | |
| PC4 Digital 33 | |
| PC5 Digital 32 | |
| PC6 Digital 31 | |
| PC7 Digital30 | |
| PD0 Digital 21 SCL | |
| PD1 Digital 20 SDA | |
| PD2 Digital 19 RXD1 | |
| PD3 Digital 18 TXD1 | |
| PD4 | |
| PD5 | |
| PD6 | |
| PD7 Digital 38 | |
| PE0 Digital 0 RX0, PWM | |
| PE1 Digital 1 TX0, PWM | |
| PE2 | |
| PE3 Digital 5 PWM | |
| PE4 Digital 2 PWM | |
| PE5 Digital 3 PWM | |
| PE6 | |
| PE7 | |
| PF0 ADC 0 ADC | |
| PF1 ADC 1 ADC | |
| PF2 ADC 2 ADC | |
| PF3 ADC 3 ADC | |
| PF4 ADC 4 ADC | |
| PF5 ADC 5 ADC | |
| PF6 ADC 6 ADC | |
| PF7 ADC 7 ADC | |
| PG0 Digital 41 | |
| PG1 Digital 40 | |
| PG2 Digital 39 | |
| PG3 | |
| PG4 | |
| PG5 Digital 4 PWM | |
| PG6 | |
| PG7 | |
| PH0 Digital 17 RXD2 | |
| PH1 Digital 16 TXD2 | |
| PH2 | |
| PH3 Digital 6 PWM | |
| PH4 Digital 7 PWM | |
| PH5 Digital 8 PWM | |
| PH6 Digital 9 PWM | |
| PH7 | |
| PJ0 Digital 15 RXD3 | |
| PJ1 Digital 14 TXD3 | |
| PJ2 | |
| PJ3 | |
| PJ4 | |
| PJ5 | |
| PJ6 | |
| PJ7 | |
| PK0 ADC 8 ADC | |
| PK1 ADC 9 ADC | |
| PK2 ADC 10 ADC | |
| PK3 ADC 11 ADC | |
| PK4 ADC 12 ADC | |
| PK5 ADC 13 ADC | |
| PK6 ADC 14 ADC | |
| PK7 ADC 15 ADC | |
| PL0 Digital 49 | |
| PL1 Digital 48 | |
| PL2 Digital 47 | |
| PL3 Digital 46 PWM | |
| PL4 Digital 45 PWM | |
| PL5 Digital 44 PWM | |
| PL6 Digital 43 | |
| PL7 Digital 42 | |
| =============== =========== ======================== |
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