Arduino MEGA 2560 Product Reference Manual

Arduino® MEGA 2560 Rev3
14 / 18 Arduino® MEGA 2560 Rev3 Modified: 15/12/2021
5.6 Digital Pins D22 - D53 RHS
Pin Function Type Description
1 +5V Power Power Supply of 5V
2 D23 Digital Digital input 23/GPIO
3 D25 Digital Digital input 25/GPIO
4 D27 Digital Digital input 27/GPIO
5 D29 Digital Digital input 29/GPIO
6 D31 Digital Digital input 31/GPIO
7 D33 Digital Digital input 33/GPIO
8 D35 Digital Digital input 35/GPIO
9 D37 Digital Digital input 37/GPIO
10 D39 Digital Digital input 39/GPIO
11 D41 Digital Digital input 41/GPIO
12 D43 Digital Digital input 43/GPIO
13 D45 Digital Digital input 45/GPIO
14 D47 Digital Digital input 47/GPIO
15 D49 Digital Digital input 49/GPIO
16 D51 Digital Digital input 51/GPIO
17 D53 Digital Digital input 53/GPIO
18 GND Power Ground
6 Mechanical Information
6.1 Board Outline

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