can you use the microcontroller of the arduino mega in the decimilla or Duemilanove?

i havnt had a chance to see the microcontroller for the mega but im pretty sure its the same size and pin number of the decimilla and Duemilanove

frollard8 years ago
The mega uses a surface mount chip with 2-3 times as many pins. It can't be direct swapped You can swap easily between the atmega168 and atmega328 (so long as they're burned with the correct bootloader)
54 digital io, 14 with hardware pwm...
28 DIP package...3pwm

not compatible.