Manufacturer Part Number
ATMEGA644P-20AU
Manufacturer
Microchip Technology
Introduction
The ATMEGA644P-20AU is a high-performance 8-bit AVR microcontroller from Microchip Technology, featuring advanced RISC architecture.
Product Features and Performance
Core Processor: AVR
Core Size: 8-Bit
Speed: 20MHz
Connectivity: I2C, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, Power-on Reset, PWM, Watchdog Timer
Number of I/O: 32
Program Memory Size: 64KB
Program Memory Type: FLASH
EEPROM Size: 2K x 8
RAM Size: 4K x 8
Voltage Supply Range: 2.7V to 5.5V
Data Converters: 8 x 10-bit Analog to Digital
Oscillator: Internal
Operating Temperature Range: -40°C to 85°C
Product Advantages
Highly integrated with extensive peripheral set
Optimal power usage and advanced power-saving modes
Broad operating voltage range suitable for various applications
Robust design with comprehensive reset and monitoring capabilities
Key Technical Parameters
Speed: 20MHz
RAM: 4K x 8
Program Memory: 64KB FLASH
Connectivity: I2C, SPI, UART/USART
I/O Pins: 32
Temperature Range: -40°C to 85°C
Voltage Range: 2.7V to 5.5V
Quality and Safety Features
Brown-out detect and power-on reset for system stability
Watchdog timer for system recovery
Operating range ensures reliability under extreme conditions
Compatibility
Compatible with a broad range of standard communication interfaces
Supported by major development tools and software packages in the industry
Application Areas
Automotive systems
Industrial control systems
Consumer electronics
Internet of Things devices
Product Lifecycle
Status: Active
Not nearing discontinuation and replacements or upgrades readily available
Several Key Reasons to Choose This Product
Feature-rich 8-bit AVR microcontroller with high-speed processing
Extensive support for connectivity and peripheral integration
Low power consumption with adjustable power management
High reliability and robust operational parameters
Strong compatibility and support across development platforms