Specifications of the Microcontroller Used in Arduino Uno

Arduino Uno uses ATmega328P as the microcontroller. Its specifications are given below −

Operating Voltage 2.7-5.5V
Temperature Range( C) -40 to 85


Number of Pins 32
Programmable I/O pins 23
Number of PWM Pins 6
ADC 8 channel, 10-bit resolution


Flash Memory 32 kB
SRAM 2 kB
EEPROM 1 kB
Flash Read/Write Cycles 10000
EEPROM Read/Write Cycles 100000


UART 1
SPI 2
I2C 1


Timers 2 8-bit timers and 1 16-bit timer
Real Time Counter Yes


Throughput Up to 16 MIPS at 16 MHz

Additionally, you can get information on the current and power consumption of ATmega328P here.

Updated on: 2021-07-30T14:35:57+05:30

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