Starting with hardware, the Arduino Mega is based on the Atmega2560 microcontroller. In the iteration that is found on the Mega board, the microcontroller comes in a standard TQFP 100-pin package.

Program ATmega328P, ATmega328, Attiny 13A, 44, 45, ATMega8A-PU and ATMega8L-PU chips using Arduino Mega 2560 board as a AVR programmer. Arduino Mega 2560 board is based on the ATMega 2560 chip. For my ...