ATMEGA644-20AU - Microchip Technology

Manufacturer Part Number

ATMEGA644-20AU

Manufacturer

Microchip Technology

Introduction

High-performance, low-power 8-bit microcontroller based on the AVR enhanced RISC architecture

Ideal for embedded control applications

Product Features and Performance

64KB of in-system self-programmable flash program memory

4KB of SRAM

2KB of EEPROM

32 general purpose I/O lines

8-channel 10-bit A/D converter

Real-time clock with independent oscillator

Up to 20MIPS throughput at 20MHz

Product Advantages

High performance with low power consumption

Flexible and expandable architecture

Extensive peripheral set

In-system programming capability

Key Technical Parameters

8-bit AVR microcontroller

64KB flash program memory

4KB SRAM

2KB EEPROM

32 I/O lines

8-channel 10-bit A/D converter

20MHz operating speed

Quality and Safety Features

RoHS3 compliant

Robust design for reliable operation

Comprehensive peripheral set for flexible system design

Compatibility

Compatible with other AVR ATmega series microcontrollers

Easily integrates into a wide range of embedded systems

Application Areas

Automotive

Industrial control

Home appliances

Medical equipment

Consumer electronics

Product Lifecycle

Currently in active production

Replacement and upgrade options available from Microchip

Key Reasons to Choose

High-performance, low-power 8-bit microcontroller

Extensive peripheral set for flexible system design

In-system programming capability for easy development

Robust and reliable design for critical applications

Compatibility with other AVR ATmega series devices

Readily available from Microchip and their distribution network