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ATMEGA644PA-AU
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ATMEGA644PA-AU

Product Overview

Category

The ATMEGA644PA-AU belongs to the category of microcontrollers.

Use

It is commonly used in embedded systems and electronic applications where a microcontroller with advanced features and capabilities is required.

Characteristics

  • High-performance 8-bit AVR microcontroller
  • 64KB in-system programmable flash memory
  • 4KB SRAM
  • 2KB EEPROM
  • 32 general-purpose I/O lines
  • Operating voltage: 1.8V to 5.5V
  • Package: TQFP-44
  • Low power consumption
  • Advanced peripherals including UART, SPI, and I2C interfaces

Packaging/Quantity

The ATMEGA644PA-AU is typically available in tape and reel packaging with a quantity of 250 units per reel.

Specifications

  • Architecture: 8-bit AVR
  • Flash Memory: 64KB
  • SRAM: 4KB
  • EEPROM: 2KB
  • Operating Voltage: 1.8V - 5.5V
  • Clock Speed: Up to 20MHz
  • I/O Pins: 32
  • Communication Interfaces: UART, SPI, I2C
  • Package Type: TQFP-44

Detailed Pin Configuration

The detailed pin configuration for the ATMEGA644PA-AU can be found in the datasheet provided by the manufacturer.

Functional Features

The ATMEGA644PA-AU offers a wide range of functional features including: - High-speed processing capabilities - In-system programmable flash memory - Multiple communication interfaces for connectivity - Advanced analog and digital peripherals - Low power consumption modes for energy efficiency

Advantages and Disadvantages

Advantages

  • Ample flash memory for program storage
  • Wide operating voltage range
  • Rich set of communication interfaces
  • Low power consumption
  • Extensive community support and resources

Disadvantages

  • Limited availability of certain package types
  • Relatively higher cost compared to some other microcontrollers in the same category

Working Principles

The ATMEGA644PA-AU operates based on the principles of executing instructions stored in its flash memory, interacting with external devices through its I/O pins and communication interfaces, and managing various tasks within an embedded system.

Detailed Application Field Plans

The ATMEGA644PA-AU finds application in a diverse range of fields including: - Industrial automation - Consumer electronics - Automotive systems - Internet of Things (IoT) devices - Robotics - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the ATMEGA644PA-AU include: - ATMEGA1284P - ATMEGA324PA - ATMEGA2560 - PIC18F4550 - STM32F103C8T6

In conclusion, the ATMEGA644PA-AU is a versatile microcontroller with advanced features and capabilities, making it suitable for a wide range of embedded system and electronic applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af ATMEGA644PA-AU i tekniske løsninger

  1. What is the ATMEGA644PA-AU microcontroller?

    • The ATMEGA644PA-AU is a high-performance, low-power 8-bit AVR microcontroller based on the AVR enhanced RISC architecture.

  2. What are the key features of ATMEGA644PA-AU?

    • Some key features include 64KB of in-system self-programmable flash memory, 4KB EEPROM, 4KB SRAM, 32 general-purpose I/O lines, and more.

  3. How can I program the ATMEGA644PA-AU?

    • The microcontroller can be programmed using various development tools such as Atmel Studio, AVR-GCC, or other compatible IDEs.

  4. What are the typical applications of ATMEGA644PA-AU?

    • It is commonly used in industrial control systems, consumer electronics, automotive applications, and various embedded systems.

  5. What are the power requirements for ATMEGA644PA-AU?

    • The microcontroller typically operates at a voltage range of 1.8V to 5.5V, making it suitable for a wide range of applications.

  6. Does ATMEGA644PA-AU support communication interfaces?

    • Yes, it supports multiple communication interfaces including USART, SPI, and I2C, making it versatile for interfacing with other devices.

  7. Can ATMEGA644PA-AU be used in battery-powered applications?

    • Yes, its low-power consumption and sleep modes make it suitable for battery-powered applications.

  8. What are the available development boards for ATMEGA644PA-AU?

    • There are several development boards available from Atmel and third-party manufacturers that support the ATMEGA644PA-AU microcontroller.

  9. Are there any known limitations or issues with ATMEGA644PA-AU?

    • While generally reliable, some users have reported issues with certain clock configurations and peripheral interactions, which can usually be addressed through proper design considerations.

  10. Where can I find technical documentation for ATMEGA644PA-AU?

    • Technical documentation, including datasheets, application notes, and user manuals, can be found on the official Microchip (formerly Atmel) website and other authorized distributors.