Manufacturer Part Number
AT90PWM3B-16MU
Manufacturer
microchip-technology
Introduction
The AT90PWM3B-16MU is an embedded microcontroller from Microchip Technology, specifically designed for lighting applications within the AVR® 90PWM series.
Product Features and Performance
Core Processor: AVR, 8-Bit
Speed: 16MHz
Connectivity includes SPI and UART/USART
Integrated Peripherals: Brown-out Detect/Reset, Power-on Reset (POR), Pulse Width Modulation (PWM), Watchdog Timer (WDT)
Internal Oscillator
Enhanced temperature tolerance from -40°C to 105°C
Product Advantages
High integration with 27 I/Os for flexible connection
Advanced PWM capabilities for precise lighting control
Robust safety features including Brown-out Detect and Watchdog Timer for system reliability
EEPROM and Flash memory for comprehensive data storage options
Key Technical Parameters
Program Memory Size: 8KB FLASH
EEPROM Size: 512 x 8
RAM Size: 512 x 8
Voltage Supply (Vcc/Vdd): 2.7V ~ 5.5V
Data Converters: A/D 11x10b, D/A 1x10b
Number of I/O: 27
Quality and Safety Features
Brown-out Detect/Reset
Power-on Reset
High temperature operational capacity up to 105°C
Watchdog Timer enhances fault tolerance
Compatibility
Compatible with various SPI and UART/USART devices
Supported by surface mount technology for board miniaturization
Application Areas
Specialty lighting solutions
Programmable lighting systems
Industrial automation in high-temperature environments
Product Lifecycle
Product Status: Active
No current indication of discontinuation; replacements or upgrades available through Microchip’s AVR® series
Several Key Reasons to Choose This Product
Built-in high-speed 16MHz AVR processor improves response times
Comprehensive connectivity and memory storage options cater to advanced designs
Reliable operation under extreme temperatures suitable for industrial applications
Diverse safety functions guard against system failures
Compact 32-QFN package is ideal for densely packed PCBs