ATMEGA328-PU - Microchip Technology

Manufacturer Part Number

ATMEGA328-PU

Manufacturer

Microchip Technology

Introduction

The ATMEGA328-PU is an 8-bit microcontroller from the AVR ATmega series designed for efficient handling of embedded control applications.

Product Features and Performance

Core Processor: AVR

Core Size: 8-Bit

Speed: 20MHz

Connectivity Options: I2C, SPI, UART/USART

Peripherals include Brown-out Detect/Reset, Power On Reset, PWM, Watchdog Timer

Internal Oscillator

Programming of the microcontroller supports In-System Programming

Product Advantages

High performance with a 20MHz CPU speed

Flexible connectivity with I2C, SPI, and UART/USART

Advanced control with a variety of peripherals available

Internal oscillator reducing external component count

Key Technical Parameters

Program Memory Size: 32KB FLASH

EEPROM Size: 1K x 8

RAM Size: 2K x 8

Number of I/O: 23

Voltage Supply Range: 1.8V to 5.5V

Data Converters: 6-channel, 10-bit A/D

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Brown-out detection and reset for voltage drop safety

Power-on Reset ensures reliable operation after power interruptions

Watchdog Timer for system recovery and maintenance

Compatibility

Through Hole mounting compatible with standard PCBs

28-Pin DIP package integrates easily into various designs

Application Areas

Industrial automation

Automotive systems

Consumer electronics

IoT devices

Product Lifecycle

Currently active with no immediate plans for discontinuation

Availability of replacements and upgrades if needed in the future

Several Key Reasons to Choose This Product

Robust 8-bit processor suitable for various demanding applications

Broad range of connectivity and peripheral options to expand functionality

High reliability and extensive safety features ensure stable and continuous operation

Supported by Microchip Technology’s commitment to quality and long-term availability

Cost-effective solution with scalable performance to match project demands