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The ATmega16U2/8U2 is loaded with a DFU bootloader, which can be activated by: The ATmega16U2 (or 8U2 in the rev1 and rev2 boards) firmware source code is available in the Arduino repository. You can also bypass the bootloader and program the microcontroller through the ICSP (In-Circuit Serial Programming) header using Arduino ISP or similar see these instructions for details. It communicates using the original STK500 protocol (reference, C header files).

The ATmega2560 on the Arduino/Genuino Mega 2560 comes preprogrammed with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. For details, see the reference and tutorials. The Arduino/Genuino 2560 Mega board can be programmed with the Arduino Software (IDE). OSH: Schematics, Reference Design, Board sizeĪrduino / Genuino Mega 2560 is open-source hardware! You can build your own board using the follwing files:

On the Product itself through our Customer Supportĭigital I/O Pinsĕ4 (of which 15 provide PWM output)įlash MemoryĒ56 KB of which 8 KB used by bootloader You can find in the Getting Started section all the information you need to configure your board, use the Arduino Software (IDE), and start tinker with coding and electronics. You can find here your board warranty informations. The Arduino/Genuino Mega 2560 is an update to the Arduino Mega, which it replaces. The Mega 2560 board is compatible with most shields designed for Arduino/Genuino Uno and the former boards Duemilanove or Diecimila.

It contains everything needed to support the microcontroller simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. The Arduino/Genuino Mega 2560 is a microcontroller board based on the ATmega2560 (datasheet).