ATMEGA644P-20AQR - Microchip

Manufacturer Part Number

ATMEGA644P-20AQR

Manufacturer

microchip-technology

Introduction

The ATMEGA644P-20AQR is a high-performance, low-power 8-bit Atmel AVR RISC-based microcontroller. It combines 64KB of programmable flash memory, 4KB of SRAM, 2KB of EEPROM, and a rich set of peripheral features, making it a powerful and versatile solution for a wide range of embedded applications.

Product Features and Performance

8-bit AVR RISC-based microcontroller

64KB of programmable flash memory

4KB of SRAM

2KB of EEPROM

20MHz operating frequency

32 I/O lines

8-channel 10-bit A/D converter

Three flexible Timer/Counters with compare modes

Internal and external interrupts

Serial USART

Byte-oriented 2-wire Serial Interface (I2C)

SPI serial port

Watchdog timer with separate on-chip oscillator

Brown-out detection circuitry

Product Advantages

Powerful and versatile 8-bit microcontroller

Ample program and data memory for complex applications

Rich set of peripheral features for diverse use cases

Low-power operation for battery-powered devices

Wide operating voltage range (2.7V to 5.5V)

Wide operating temperature range (-40°C to 105°C)

Key Reasons to Choose This Product

Robust and reliable performance for mission-critical applications

Extensive community support and development resources

Proven track record of reliability and longevity

Cost-effective solution for a wide range of embedded projects

Seamless integration with the Atmel AVR ecosystem

Quality and Safety Features

Brown-out detection and reset

Power-on reset

Watchdog timer for system reliability

Extensive safety and protection features

Compatibility

The ATMEGA644P-20AQR is compatible with other Atmel AVR microcontroller families, allowing for easy migration and code portability.

Application Areas

Industrial control systems

Automotive electronics

Home appliances

Medical devices

Robotics and automation

IoT and smart home devices

Product Lifecycle

The ATMEGA644P-20AQR is an active product, and Microchip Technology continues to manufacture and support it. There are several equivalent and alternative models available, such as the ATMEGA644, ATMEGA644P, and ATMEGA644PA. If you have any questions or need more information, please contact our sales team through our website.