ATMega328P (AVR 28 Pin 20MHz 32K)

Overview

The ATMega328P is an 8-bit, high-performance, low-power AVR microcontroller from Microchip. It is the heart of the world-famous Arduino Uno, making it the most widely used microcontroller for hobbyists, students, and professionals alike. With 32KB of flash memory, 2KB of SRAM, and 1KB of EEPROM, this chip provides ample resources for a vast range of embedded projects. Operating at up to 20MHz, it delivers robust processing power while maintaining exceptional energy efficiency. Whether you are prototyping your first blinking LED or developing a sophisticated robotics system, the ATMega328P offers the perfect balance of simplicity, flexibility, and community support.

Key Features

• High-Performance AVR Core: 8-bit RISC architecture with 131 powerful instructions, most executed in a single clock cycle.
• Ample Memory: 32KB in-system self-programmable flash, 2KB SRAM, and 1KB EEPROM.
• Flexible Clock Options: Operates up to 20MHz with internal or external clock sources.
• Rich I/O: 23 programmable I/O lines, including 6 PWM channels and 8 analog inputs (10-bit ADC).
• Communication Interfaces: USART, SPI, and I2C (TWI) for seamless connectivity with sensors and modules.
• Low Power Consumption: Multiple sleep modes for battery-powered applications.
• Wide Voltage Range: 1.8V to 5.5V operating voltage, compatible with 3.3V and 5V systems.
• Arduino-Compatible: Drop-in replacement for Arduino Uno's ATmega328P, allowing direct use in Arduino projects.

Technical Specifications

• Architecture: 8-bit AVR
• Flash Memory: 32KB (with bootloader support)
• SRAM: 2KB
• EEPROM: 1KB
• Max Clock Speed: 20MHz
• Digital I/O Pins: 23
• Analog Input Pins: 8 (10-bit ADC)
• PWM Channels: 6
• Communication: USART, SPI, I2C (TWI)
• Operating Voltage: 1.8V - 5.5V
• Package: 28-pin DIP (as shown) or other options available
• Temperature Range: -40°C to +85°C

Applications & Use Cases

• Arduino Projects: Perfect for building custom Arduino boards or replacing the chip on an Uno.
• Embedded Systems: Ideal for IoT devices, home automation, and sensor nodes.
• Robotics: Control motors, servos, and read sensors for line-following or obstacle-avoiding robots.
• Wearables: Low power consumption makes it suitable for battery-powered wearable gadgets.
• Education: Widely used in universities and maker spaces to teach programming and electronics.
• Prototyping: Fast prototyping of any electronic idea, from simple LED blinkers to complex data loggers.

What's Included

• 1x ATMega328P microcontroller (DIP-28 package)

Compatibility

• Arduino IDE: Fully compatible; you can program it using the Arduino Uno bootloader or use it with an external programmer.
• Breadboards: DIP package fits standard breadboards for easy prototyping.
• Modules: Works with a wide range of sensors, displays, and communication modules.
• Programmers: Can be programmed via ICSP, USBasp, or Arduino as ISP.

MOKWN Recommendation

Whether you are a beginner taking your first steps into electronics or a seasoned maker looking for a reliable, cost-effective microcontroller, the ATMega328P is an excellent choice. Its compatibility with the Arduino ecosystem ensures a wealth of tutorials and libraries, while its low power consumption and robust feature set make it a versatile component for professional designs. At MOKWN, we stock genuine ATMega328P chips at competitive prices, ensuring your projects run smoothly. Order now and bring your ideas to life with the world's most popular microcontroller!