ATmega328P-PU DIP-28 Microcontroller

The ATmega328P-PU DIP-28 Microcontroller is a popular, versatile and easy-to-use 8-bit AVR microcontroller from Microchip. It is the same core microcontroller widely used in the Arduino Uno platform, making it an excellent choice for custom Arduino-compatible boards, standalone projects and embedded applications.

The DIP package makes the ATmega328P-PU particularly convenient for prototyping and breadboard-based projects. It can be programmed using an Arduino board, USB-to-Serial programmer, ISP programmer or other compatible programming hardware.

Key Features

• Microcontroller: ATmega328P
• Package: DIP-28 / PDIP-28
• Architecture: 8-bit AVR
• Flash Memory: 32KB
• SRAM: 2KB
• EEPROM: 1KB
• Digital I/O: 23 programmable I/O lines
• ADC: 10-bit, 6-channel ADC
• Timers: 3 Timer/Counters
• Communication: USART, SPI and I2C/TWI
• Operating Voltage: 1.8V–5.5V
• Maximum Clock Frequency: Up to 20MHz
• Arduino Uno compatible microcontroller

Applications

The ATmega328P-PU can be used for:

• Arduino-compatible development boards
• DIY Arduino projects
• Robotics
• Home automation
• Sensor-based projects
• Embedded control systems
• LED and display projects
• Motor control
• IoT projects
• Educational electronics
• Breadboard prototyping

Programming

The ATmega328P-PU can be programmed using:

• Arduino Uno as an ISP
• USBasp
• AVR ISP programmers
• FTDI/USB-to-Serial interface with a suitable bootloader
• Other compatible AVR programmers

For Arduino-based projects, an appropriate Arduino bootloader can be programmed into the chip before using it as a standalone Arduino-compatible controller.

Package

Package Type: DIP-28 / PDIP-28

The through-hole DIP package is suitable for breadboards, IC sockets and hand-soldered PCB designs.

Important Note

The ATmega328P-PU is the microcontroller IC only. It does not include an Arduino Uno PCB, USB interface, voltage regulator, crystal or other supporting components unless specifically stated in the product package.

Technical Specifications