ATMEGA644A-AUR

Product Overview

Category

ATMEGA644A-AUR belongs to the category of microcontrollers.

Use

It is commonly used in various electronic applications that require a microcontroller for processing and controlling functions.

Characteristics

• High-performance 8-bit AVR microcontroller
• Low power consumption
• Wide operating voltage range
• Large program memory size
• Multiple communication interfaces
• Rich set of peripherals

Package

ATMEGA644A-AUR is available in a surface mount package.

Essence

The essence of ATMEGA644A-AUR lies in its ability to provide efficient processing and control capabilities in a compact and low-power package.

Packaging/Quantity

ATMEGA644A-AUR is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Architecture: AVR
• Flash Memory: 64KB
• RAM: 4KB
• EEPROM: 2KB
• Operating Voltage: 1.8V - 5.5V
• Speed Grade: Up to 20MHz
• Digital I/O Pins: 32
• Analog Input Channels: 8
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3
• PWM Channels: 6
• ADC Resolution: 10-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATMEGA644A-AUR microcontroller has a total of 44 pins, which are assigned to various functions such as digital I/O, analog inputs, communication interfaces, timers/counters, and power supply.

For a detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• High-performance processing capabilities
• Low power consumption for energy-efficient designs
• Wide operating voltage range for flexibility in various applications
• Ample program memory size for storing complex code
• Multiple communication interfaces for seamless integration with other devices
• Rich set of peripherals for enhanced functionality

Advantages and Disadvantages

Advantages

• High-performance processing capabilities enable efficient execution of tasks.
• Low power consumption prolongs battery life in portable applications.
• Wide operating voltage range allows compatibility with different power sources.
• Ample program memory size accommodates complex code requirements.
• Multiple communication interfaces facilitate easy connectivity with external devices.
• Rich set of peripherals enhances the functionality of the microcontroller.

Disadvantages

• Limited RAM size may restrict the complexity of data manipulation.
• Lack of built-in Wi-Fi or Bluetooth connectivity may require additional components for wireless communication.

Working Principles

ATMEGA644A-AUR operates based on the AVR architecture, which utilizes a Harvard architecture with separate program and data memories. It executes instructions stored in the flash memory and manipulates data stored in the RAM and EEPROM.

The microcontroller interacts with external devices through its various communication interfaces, such as UART, SPI, and I2C. It can receive input signals from sensors, process them using its processing capabilities, and generate output signals to control actuators or display information.

Detailed Application Field Plans

ATMEGA644A-AUR finds applications in a wide range of fields, including but not limited to: - Industrial automation - Home automation - Robotics - Internet of Things (IoT) devices - Consumer electronics - Automotive systems - Medical devices

In these fields, the microcontroller can be used for tasks such as sensor data acquisition, motor control, user interface management, data logging, and communication with other devices.

Detailed and Complete Alternative Models

Some alternative models to ATMEGA644A-AUR that offer similar functionalities include: - ATMEGA128A-AUR - ATMEGA2560-AUR - PIC18F4550-I/P - STM32F103C8T6

These alternative models can be considered based on specific project requirements, cost considerations, and availability.

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