ATMEGA649A-MU - Atmel

Manufacturer Part Number

ATMEGA649A-MU

Manufacturer

Microchip Technology

Introduction

The ATMEGA649A-MU is a part of the AVR ATmega series of 8-bit high-performance microcontrollers designed for advanced control applications.

Product Features and Performance

Core Processor: AVR

Core Size: 8-Bit

Speed: 16MHz

Connectivity: SPI, UART/USART, USI

Enhanced Peripheral Set: Brown-out Detect/Reset, LCD Controller, Power-on Reset, Pulse Width Modulation, Watchdog Timer

Number of I/O Pins: 54

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

Program Memory Type: FLASH

EEPROM Size: 2K x 8

RAM Size: 4K x 8

Data Converters: 8-channel, 10-bit Analog-to-Digital Converter

Oscillator: Internal Calibrated

Product Advantages

Low power consumption with multiple power-saving modes

Versatile connectivity options

Large number of I/O pins for extensive peripheral integration

On-chip debugging for easier development

In-system programmability for firmware updates

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 1.8V to 5.5V

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

Mounting Type: Surface Mount

Package/Case: 64-VFQFN Exposed Pad

Base Product Number: ATMEGA649

Quality and Safety Features

Built-in brown-out detection

Power-on Reset circuit for reliable startup

Watchdog Timer for system stability

Compatibility

Compatible with AVR programming tools and software

Extensive support within the Microchip ecosystem

Application Areas

Industrial control systems

Consumer electronics

Automotive applications

Medical devices

IoT devices

Product Lifecycle

Product Status: Active

Not reported to be nearing discontinuation

Future replacements or upgrades may be available as new AVR models are developed

Several Key Reasons to Choose This Product

High performance-to-power ratio suitable for battery-operated devices

Can be easily integrated with existing AVR development environments

Broad operating voltage range accommodates varied power supply designs

Wide range of peripherals supports diverse application requirements

Robust temperature range ensures reliability across different working environments