Mega2560 Rev3 - Retail

The MEGA 2560 board is equipped with an ATmega2560 microcontroller and has 54 digital inputs/outputs (14 of which can be used as PWM outputs), 16 analogue inputs, 4 UARTS, a 16 MHz crystal oscillator, a USB connection, a power supply socket, an ICSP connector, and a reset button. To drive the microcontroller, simply connect it to a computer with a USB cable.

Specifications

• Microcontroller: ATmega2560
• Nominal supply voltage: 5V
• Supply voltage (recommended): 7-12V
• Supply voltage (limits): 6-20V
• Digital Inputs/Outputs: 54 (14 of which can be used as PWN outputs)
• Analogue inputs: 16
• UARTS: 4
• DC Current per I/O Pin: 40 mA
• DC Current for 3.3V Pin : 50 mA
• Flash Memory: 256 KB (ATmega2560) including 8 KB used by the bootloader
• SRAM: 8 KB (ATmega2560)
• EEPROM: 4 KB (ATmega2560)
• Clock frequency: 16 MHz

Version Rev3 (R3)

1.0 Pinout: 2 Pins (SDA and SSL) are added next to the AREF pin and 2 pins (IOREF and a spare) are added next to the RESET. These pins will be added to future shields.

Improved reset circuit.

ATMEGA 16U2 replaces the ATMEGA 8U2.