ATMEGA644PA-MU - Microchip Technology

Manufacturer Part Number

ATMEGA644PA-MU

Manufacturer

Microchip Technology

Introduction

The ATMEGA644PA-MU is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture by Microchip Technology.

Product Features and Performance

8-Bit AVR Core Processor

64KB of In-System Self-Programmable Flash

2KB EEPROM

4KB Internal SRAM

32 Programmable I/O Lines

64 MIPS Throughput at 20MHz

JTAG Interface for Boundary-scan, Debugging, and Programming

Power-on Reset and Programmable Brown-out Detection

Internal Calibrated Oscillator

Product Advantages

High Performance

Low Power Consumption

Advanced RISC Architecture

Flexible and Robust I/O Handling

In-Circuit Debugging Capabilities

Key Technical Parameters

Core Size: 8-Bit

Speed: 20MHz

Connectivity: I2C, SPI, UART/USART

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

Program Memory Type: FLASH

EEPROM Size: 2K x 8

RAM Size: 4K x 8

Voltage Supply: 1.8V to 5.5V

Data Converters: A/D 8x10 bit

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

Quality and Safety Features

Extended Temperature Range

Brown-out Detection

Watchdog Timer

Compatibility

Supports Interface with Many Types of Serial Peripherals

Compatible with 44-VQFN (7x7) Surface Mount Device Package

Application Areas

Industrial Control Systems

Automotive Systems

Consumer Electronics

Internet of Things Devices

Product Lifecycle

Active Product

Not Nearing Discontinuation

Availability of Replacements or Upgrades

Several Key Reasons to Choose This Product

Exceptional Processing Power of 64 MIPS

Versatile Connectivity Options

Large Program Memory for Complex Applications

Robust Safety Features to Ensure Stable Operation

Wide Operating Voltage Range for Various Environments

Extended Temperature Range Suitable for Harsh Conditions

Ready-to-use Development and Debugging Tools Available

Extensive Ecosystem and Community Support