Manufacturer Part Number
ATMEGA644P-20AUR
Manufacturer
Microchip Technology
Introduction
AVR ATmega series 8-bit microcontroller with extended features
Product Features and Performance
Core Processor: AVR
Core Size: 8-Bit
Speed: 20MHz
Connectivity: I2C, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 32
Program Memory Size: 64KB (32K x 16)
EEPROM Size: 2K x 8
RAM Size: 4K x 8
Data Converters: A/D 8x10b
Operating Temperature: -40°C ~ 85°C (TA)
Product Advantages
High integration with multiple communication interfaces
Low power consumption
Robust set of peripherals
Large program memory for complex applications
Internal oscillator for reduced component count
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 2.7V ~ 5.5V
Mounting Type: Surface Mount
Supplier Device Package: 44-TQFP (10x10)
Package / Case: 44-TQFP
Quality and Safety Features
Brown-out Detect/Reset for reliable operation under brownout conditions
Programmable Watchdog Timer for system stability
Extended temperature range for industrial applications
Compatibility
Compatible with a wide range of voltage supplies
Standard TQFP package for PCB compatibility
Application Areas
Industrial control systems
Automotive electronics
Consumer electronics
Internet of Things (IoT) devices
Product Lifecycle
Status: Active
No near-term discontinuation, replacements or upgrades required
Several Key Reasons to Choose This Product
Enhanced processing capabilities with 20MHz operating speed
Extensively featured for versatile applications
Long-term availability ensures product longevity
Robust peripheral set simplifying complex tasks
Manufacturer support and extensive documentation for development