ATMEGA644A-MU - Microchip Technology

Manufacturer Part Number

ATMEGA644A-MU

Manufacturer

Microchip Technology

Introduction

The ATMEGA644A-MU is part of the AVR® ATmega series, designed for advanced control systems, offering robust performance with enhanced power efficiency in a compact surface mount package.

Product Features and Performance

AVR core processor with 8-bit core size

Operating speed of up to 20MHz

Supports I2C, SPI, UART/USART for connectivity

Includes peripherals like Brown-out Detect/Reset, Power-on Reset (POR), Pulse Width Modulation (PWM), Watchdog Timer (WDT)

32 programmable input/output lines

Internal oscillator

Product Advantages

Combines power efficiency with high performance

Flexible voltage range from 1.8V to 5.5V, accommodating various power setups

Higher memory capacity with 64KB Flash, 2KB EEPROM, and 4KB RAM

Key Technical Parameters

Core Processor: AVR

Core Size: 8-Bit

Speed: 20MHz

Program Memory Size: 64KB (32K x 16)

EEPROM Size: 2K x 8

RAM Size: 4K x 8

Number of I/O: 32

Voltage Supply Range: 1.8V to 5.5V

Data Converters: A/D 8x10b

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Integrated Brown-out Detect/Reset and Watchdog Timer for system stability

Compatibility

Compatible with AVR microcontroller development environments and tools

Application Areas

Industrial automation

Consumer electronics

Automotive systems

Internet of Things (IoT) devices

Product Lifecycle

The product status is currently active with no indication of discontinuation, ensuring long-term availability and support.

Several Key Reasons to Choose This Product

Advanced 8-bit microcontroller with high-speed processing capabilities

Robust connectivity options including I2C, SPI, and UART/USART

Large memory storage suitable for complex applications

High reliability with built-in safety features like Brown-out Detect/Reset

Flexible power supply requirements, supporting a broad range of applications

Durably designed for industrial and harsh environment applications