ATMEGA16U4-AU - Microchip Technology

Manufacturer Part Number

ATMEGA16U4-AU

Manufacturer

microchip-technology

Introduction

The ATMEGA16U4-AU is an embedded microcontroller from Microchip Technology's AVR® ATmega series, designed for advanced control applications requiring a compact, high-performance microcontroller with USB connectivity.

Product Features and Performance

Core Processor: AVR 8-Bit delivering efficient, high-speed processing

Speed: 16MHz for rapid task execution

Connectivity options include I2C, SPI, UART/USART, and USB for versatile interfacing

Peripherals: Brown-out Detect/Reset, Power-on Reset, Pulse Width Modulation, Temperature Sensor, Watchdog Timer for enhanced functionality

Program Memory Size: 16KB, offering substantial space for complex applications

EEPROM Size: 512 x 8 for persistent data storage

RAM Size: 1.25K x 8, supporting variable and temporary data

Data Converters: 12-channel, 10-bit ADC for accurate analog to digital conversion

Operating Temperature range: -40°C ~ 85°C, suitable for harsh environments

Internal Oscillator, simplifying design and reducing external component needs

Product Advantages

Integrated USB functionality simplifies connectivity with computers and other USB devices

Wide operating voltage (2.7V ~ 5.5V) supports diverse power requirements

Surface Mount 44-TQFP package for space-efficient designs

Comprehensive set of peripherals enhances microcontroller utility without external components

Key Technical Parameters

Core Size: 8-Bit

Speed: 16MHz

Number of I/O: 26

Program Memory Size: 16KB (8K x 16) FLASH

Voltage Supply (Vcc/Vdd): 2.7V ~ 5.5V

Data Converters: A/D 12x10b

Quality and Safety Features

Brown-out Detect/Reset and Power-on Reset for stable operation under fluctuating power

Watchdog Timer to recover from malfunctions

Compatibility

Compatible with AVR programming tools and software support

Easily integrates into existing AVR-based projects

Application Areas

Consumer Electronics

Industrial Automation

Internet of Things (IoT) devices

USB peripheral development

Smart sensors and controllers

Product Lifecycle

Status: Active, ensuring long-term availability

Continued manufacturer support with no near-term discontinuation plans

Several Key Reasons to Choose This Product

High integration level, Ethernet combining CPU, USB connectivity, and multiple peripherals in one chip

Efficient power consumption for battery-powered applications

Wide community and manufacturer support

Provides robust solutions for both standalone and USB integrated applications

Flexible programming and ease of development with AVR ecosystem