Arduino MEGA 2560 Product Reference Manual

Arduino® MEGA 2560 Rev3
3 / 18 Arduino® MEGA 2560 Rev3 Modified: 15/12/2021
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Contents
1 The Board
1.1 Application Examples
1.2 Accessories
1.3 Related Products
2 Ratings
2.1 Recommended Operating Conditions
2.2 Power Consumption
3 Functional Overview
3.1 Block Diagram
3.2 Board Topology
3.3 Processor
3.4 Power Tree
4 Board Operation
4.1 Getting Started - IDE
4.2 Getting Started - Arduino Web Editor
4.3 Sample Sketches
4.4 Online Resources
4.5 Board Recovery
5 Connector Pinouts
5.1 Analog
5.2 Digital
5.3 ATMEGA16U2 JP5
5.4 ATMEGA16U2 ICSP1
5.5 Digital Pins D22 - D53 LHS
5.6 Digital Pins D22 - D53 RHS
6 Mechanical Information
6.1 Board Outline
6.2 Board Mount Holes
7 Declaration of Conformity CE DoC (EU)
8 Declaration of Conformity to EU RoHS & REACH 211 01/19/2021
9 Conflict Minerals Declaration
10 FCC Caution
11 Company Information
12 Reference Documentation

Arduino MEGA 2560 Specifications

General

Microcontroller	ATmega2560
Operating Voltage	5V
Input Voltage (recommended)	7-12V
Input Voltage (limit)	6-20V
Digital I/O Pins	54
PWM Channels	15
Analog Input Pins	16
DC Current per I/O Pin	20 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
LED_BUILTIN	13
Length	101.52 mm
Width	53.3 mm
Weight	37 g