The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins Arduino Docs Firmware update to v6.2560 for Asia Pacific | Sony AP
microcontroller, though it is typically paired with different prefixes like "ATmega" .
: A similar number, v6.2560 , is a firmware update version for various Sony Android TVs in the Asia-Pacific region Plush Toy : Go to product viewer dialog for this item.
Could you let me know or what kind of software/hardware you're working with? Mega 2560 Rev3 | Arduino Documentation