ATMEGA644A-MUR - Microchip Technology

Manufacturer Part Number

ATMEGA644A-MUR

Manufacturer

Microchip Technology

Introduction

ATMEGA644A-MUR is an 8-Bit AVR® microcontroller tailored for embedded applications.

Product Features and Performance

Core Processor: AVR

Core Size: 8-Bit for efficient processing

Speed: 20MHz providing quick operations

Programmability with flash memory

Enhanced power-saving features

Product Advantages

Integration of multiple connectivity options such as I2C, SPI, UART/USART

Comes with essential peripherals like Brown-out Detect/Reset, POR, PWM, WDT

Adequate I/O ports with 32 available lines

Sufficient program memory size of 64KB

Non-volatile EEPROM Size of 2K x 8

RAM Size of 4K x 8 for temporary data storage

Wide voltage supply range accommodating various power sources

Key Technical Parameters

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

EEPROM Size: 2K x 8

RAM Size: 4K x 8

Number of I/O: 32

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

Data Converters: A/D 8x10b

Oscillator Type: Internal

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

On-chip Brown-out Detect/Reset ensures reliable operation under unstable power conditions

Watchdog Timer (WDT) helps in system recovery from software malfunctions

Compatibility

Compatible with various interface standards such as I2C, SPI, UART/USART

Mounting Type: Surface Mount with a 44-VQFN package

Application Areas

Ideal for industrial control systems, home automation, automotive, and consumer electronics

Product Lifecycle

Currently active with no immediate discontinuation expected

Replacement or upgrade models available for future scalability

Several Key Reasons to Choose This Product

Robust operating temperature range suiting demanding environments

Supports an array of peripherals minimizing additional component requirements

High integration helps in reducing the overall system costs

Versatility in interfacing with various connectivity options

Microchip's reputation for long-term support and product availability