Arduino MEGA 2560 Product Reference Manual

Arduino® MEGA 2560 Rev3
7 / 18 Arduino® MEGA 2560 Rev3 Modified: 15/12/2021
3.2 Board Topology
Front View
Arduino MEGA Top View
Ref. Description Ref. Description
USB USB B Connector F1 Chip Capacitor
IC1 5V Linear Regulator X1 Power Jack Connector
JP5 Plated Holes IC4 ATmega16U2 chip
PC1 Electrolytic Alumninum Capacitor PC2 Electrolytic Alumninum Capacitor
D1 General Purpose Rectifier D3 General Purpose Diode
L2 Fixed Inductor IC3 ATmega2560 chip
ICSP Connector Header ON Green LED
RN1 Resistor Array XIO Connector

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