Symond
Symond Content Marketer
On Jul 16, 2025


ATMEGA644P-20AU 8-bit Microcontrollers - MCU by Microchip – Versatile Embedded Solutions

The 8-bit Microcontrollers - MCU ATMEGA644P-20AU by Microchip are high-performance Semiconductors designed for efficient embedded applications. As part of Microchip’s reliable range of Integrated Circuits - ICs, these Embedded Processors & Controllers provide powerful computing capabilities, low power consumption, and flexible interfacing options for a wide array of electronic designs.

In this blog, we’ll explore technical specifications, key features, applications, and how to download the datasheet or purchase from Xon Electronics.


Technical Specifications of ATMEGA644P-20AU

  • Manufacturer: Microchip Technology

  • Model: ATMEGA644P-20AU

  • Type: 8-bit Microcontrollers - MCU

  • Architecture: AVR® 8-bit

  • Flash Memory: 64KB

  • SRAM: 4KB

  • Operating Voltage: 1.8V to 5.5V

  • Clock Speed: 20 MHz

  • Package: TQFP-44

  • Category: Semiconductors, Integrated Circuits - ICs, Embedded Processors & Controllers, Microcontrollers - MCU, 8-bit Microcontrollers - MCU

This MCU is perfect for developers seeking a balance of performance and energy efficiency in embedded designs.


Key Features of ATMEGA644P-20AU Microcontroller

  • High-performance 8-bit AVR® architecture

  • 64KB Flash memory and 4KB SRAM for versatile programming

  • Multiple communication interfaces: UART, SPI, I²C

  • Advanced power-saving features for low-power applications

  • Part of Microchip’s renowned Embedded Processors & Controllers portfolio

The ATMEGA644P-20AU 8-bit Microcontrollers - MCU by Microchip offer excellent reliability and flexibility for a range of embedded systems.


Applications of ATMEGA644P-20AU Microcontrollers

  • Consumer electronics and IoT devices

  • Automotive control systems and dashboards

  • Industrial automation and robotics

  • Medical instrumentation and wearable devices

  • OEM designs requiring robust Microcontrollers - MCU for precise control

These 8-bit Microcontrollers - MCU enable efficient and scalable embedded designs worldwide.


Installation and Handling Overview

To integrate the ATMEGA644P-20AU:

  • Ensure proper PCB design with matching TQFP-44 footprint.

  • Program using AVR development tools or compatible ISP programmers.

  • Follow Microchip’s recommended guidelines for power and clock configuration.

  • Test with in-system debugging tools for validation.

This Semiconductors solution ensures smooth deployment in embedded systems.


Use Case Scenario: Industrial Automation Controller

Scenario: An automation company required compact and energy-efficient 8-bit Microcontrollers - MCU for programmable controllers.

Problem: Standard MCUs lacked sufficient memory and interfacing options.

Solution: The ATMEGA644P-20AU Microcontroller by Microchip provided ample memory, multiple interfaces, and low power consumption.

Result: Improved product functionality and reduced development time.


Download Datasheet for ATMEGA644P-20AU

Download ATMEGA644P-20AU Datasheet from Xon Electronics


Why Buy from Xon Electronics?

Xon Electronics supplies genuine Microchip Embedded Processors & Controllers with:

  • 100% Authentic Products for Embedded Designs

  • Fast Global Shipping to USA, India, Australia, Europe & more

  • Bulk Discounts and OEM Support Available

  • Technical Assistance for Seamless Integration

  • Secure Online Ordering at www.xonelec.com


FAQs – ATMEGA644P-20AU Microcontrollers

Q1. What is the maximum operating speed of this MCU?
It operates at up to 20 MHz.

Q2. Is it suitable for automotive applications?
Yes, it meets requirements for many automotive control systems.

Q3. How much Flash memory is included?
It offers 64KB of Flash for program storage.

Q4. Does Xon Electronics ship globally?
Yes, we deliver to USA, India, Australia, Europe & more.


Conclusion

The ATMEGA644P-20AU 8-bit Microcontrollers - MCU by Microchip are versatile solutions for embedded applications demanding efficient performance and low power usage. As part of Microchip’s premium Semiconductors lineup, they are trusted by engineers worldwide. Order now from Xon Electronics for fast global shipping and technical support.


Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified