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MEGA 2560 16AU ATmega 16U2 Board Engineers Arduino-Compat​ible development tools



Microcontroller
ATmega2560

Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limits) 6-20V
Digital I/O Pins 54 (of which 14 provide PWM output)
Analog Input Pins 16
DC Current per I/O Pin 40 mA
DC Current for 3.3V Pin 50 mA
Flash Memory 256 KB of which 8 KB used by bootloader
SRAM 8 KB
EEPROM 4 KB
Clock Speed 16 MHz




NOTE:because the board is maken by many time,maybe some detail is not same,but the outline and function is the same.do not worry about it.

1. Add SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.

2. Stronger RESET circuit.

3. Atmega 16U2 replace the 8U2



note:if need Technical information file.pls email me.