Arduino MEGA 2560 Product Reference Manual

Arduino® MEGA 2560 Rev3
13 / 18 Arduino® MEGA 2560 Rev3 Modified: 15/12/2021
5.3 ATMEGA16U2 JP5
Pin Function Type Description
1 PB4 Internal Serial Wire Debug
2 PB6 Internal Serial Wire Debug
3 PB5 Internal Serial Wire Debug
4 PB7 Internal Serial Wire Debug
5.4 ATMEGA16U2 ICSP1
Pin Function Type Description
1 CIPO Internal Controller In Peripheral Out
2 +5V Internal Power Supply of 5V
3 SCK Internal Serial Clock
4 COPI Internal Controller Out Peripheral In
5 RESET Internal Reset
6 GND Internal Ground
5.5 Digital Pins D22 - D53 LHS
Pin Function Type Description
1 +5V Power Power Supply of 5V
2 D22 Digital Digital input 22/GPIO
3 D24 Digital Digital input 24/GPIO
4 D26 Digital Digital input 26/GPIO
5 D28 Digital Digital input 28/GPIO
6 D30 Digital Digital input 30/GPIO
7 D32 Digital Digital input 32/GPIO
8 D34 Digital Digital input 34/GPIO
9 D36 Digital Digital input 36/GPIO
10 D38 Digital Digital input 38/GPIO
11 D40 Digital Digital input 40/GPIO
12 D42 Digital Digital input 42/GPIO
13 D44 Digital Digital input 44/GPIO
14 D46 Digital Digital input 46/GPIO
15 D48 Digital Digital input 48/GPIO
16 D50 Digital Digital input 50/GPIO
17 D52 Digital Digital input 52/GPIO
18 GND Power Ground

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