Manufacturer Part Number
AT90USB646-MU
Manufacturer
Microchip Technology
Introduction
The AT90USB646-MU is a high-performance, low-power AVR 8-Bit microcontroller that utilizes Microchip’s advanced RISC architecture and is designed for a variety of embedded applications.
Product Features and Performance
Core Processor: AVR 8-Bit
Speed: 16MHz operation for rapid processing
Peripherals: Comprehensive including Brown-out Detect/Reset, Power-on Reset (POR), Pulse Width Modulation (PWM), Watchdog Timer (WDT)
Number of I/O: 48 for extensive external interfacing
Program Memory Size: 64KB FLASH for robust application code storage
EEPROM Size: 2KB for non-volatile data storage
RAM Size: 4KB for temporary data storage
Connectivity: Enhanced with EBI/EMI, I2C, SPI, UART/USART, USB for versatile communications
Data Converters: A/D converter with 8 channels and 10-bit resolution for precise analog to digital conversion
Oscillator Type: Internal for simplified system design
Operating Temperature: -40°C to 85°C for reliability in harsh environments
Product Advantages
Integrated USB 2.0 Full-speed/Low-Speed Device Module for seamless USB applications
High integration reduces system component count
JTAG interface supports programming and debugging
Leading-edge low-power technology for energy-efficient operation
Large number of I/Os and peripherals enable it to handle complex tasks
Key Technical Parameters
Voltage Supply (Vcc/Vdd): 2.7V to 5.5V accommodating a wide range of power supplies
Mounting Type: Surface Mount for modern PCB assembly
Supplier Device Package: 64-QFN (9x9) compact footprint
Package / Case: 64-VFQFN Exposed Pad helping with thermal dissipation
Quality and Safety Features
Power-on Reset and Programmable Brown-out Detection ensure safe operation
Industrial operating temperature range
Watchdog Timer to recover from runaway processes
Compatibility
Compatible with AVR development and debugging tools
Application Areas
Embedded control systems
Consumer electronics
Industrial automation
USB interface applications
Communication devices
Product Lifecycle
Product Status: Active
Not nearing discontinuation, with ongoing support and availability
Possibility for replacements or upgrades depends on future technology developments and market demands
Key Reasons to Choose This Product
Robust architecture crafted for demanding embedded tasks
Extensive connectivity options cater to modern communication needs
Development and debugging tools widely available, simplifying the design process
Comprehensive feature set enhances product functionality and value
Strong community and manufacturer support for design and implementation