ATMEGA328-AU - Microchip Technology

Manufacturer Part Number

ATMEGA328-AU

Manufacturer

Microchip Technology

Introduction

The ATMEGA328-AU is a high-performance 8-bit AVR microcontroller with advanced RISC architecture, primarily utilized for embedded control applications.

Product Features and Performance

Core Processor: AVR 8-Bit

Speed: 20MHz

Connectivity: I2C, SPI, UART/USART

Peripherals: Brown-out Detect/Reset, Power-on Reset, PWM, Watchdog Timer

Program Memory Size: 32KB FLASH

EEPROM Size: 1KB

RAM Size: 2KB

Number of I/O: 23

Data Converters: 8x10 bit Analog to Digital

Oscillator Type: Internal

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

Product Advantages

Low power consumption

High integration of features reduces system components

Versatile connectivity supports complex communications protocols

Wide operating voltage and temperature range allows use in various environments

Key Technical Parameters

Core Size: 8-Bit

Speed: 20MHz

Voltage Supply: 1.8V ~ 5.5V

Mounting Type: Surface Mount

Package: 32-TQFP (7x7)

Quality and Safety Features

Includes multiple reset options to prevent errant operations

Extensive built-in protection features such as brown-out detect and power-on reset ensure reliable operation

Compatibility

Compatible with AVR development and programming tools

Broad third-party application and developer support

Application Areas

Consumer Electronics

IoT devices

Industrial control systems

Automotive applications

Product Lifecycle

Currently active

Future availability supported by ongoing manufacturer updates and replacements

Several Key Reasons to Choose This Product

High integration and low power consumption optimizes system architecture

Robust programming and debugging features streamline development

Excellent safety and quality features promote mission-critical reliability

Supported by a reputable manufacturer with a history of reliable long-term supply

Wide operating temperature range satisfies diverse environmental requirements