Product Model

ATMEGA644A-MU

Introduction

High-performance, low-power AVR 8-bit microcontroller

Brand and manufacturer

Microchip Technology

Features

32 programmable I/O lines

64KB of flash memory

2KB EEPROM

4KB RAM

8-channel 10-bit A/D converter

Multiple communication interfaces: I2C, SPI, UART/USART

Peripheral features include Brown-out Detect/Reset, Power-on Reset, PWM, Watchdog Timer

Product performance

Operating speed up to 20MHz

Efficient processing with AVR core

Supports advanced RISC architecture

Technical specifications

Core Processor: AVR

Core Size: 8-Bit

Speed: 20MHz

Program Memory Type: FLASH

EEPROM Size: 2K x 8

RAM Size: 4K x 8

Voltage Supply: 1.8V ~ 5.5V

Dimensions, shape, and packaging

44-VQFN (7x7) package

Surface mount type

Dimensions tailored for compact integration

Quality and reliability

Operational temperature range from -40°C to 85°C

Designed for robust performance in variable environments

Product advantages

Flexible voltage range

Extensive interface support enhances system integration

Large program memory facilitates complex applications

Product competitiveness

Highly competitive in embedded solutions for its memory size and interfaces at its price point

Compatibility

Compatible with existing AVR development and programming tools

Standard certification and compliance

Meets standard microcontroller production and quality regulations

Lifespan and sustainability

Durable design intended for long-term deployment in a variety of applications

Actual application fields

Consumer electronics

Industrial automation

Automotive systems

Internet of Things devices

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