Manufacturer Part Number
EFM8UB20F64G-B-QFN32R
Manufacturer
Silicon Labs
Introduction
EFM8UB20F64G-B-QFN32R is an 8-bit microcontroller from Silicon Labs' Universal Bee series designed for embedded control applications.
Product Features and Performance
8-Bit CIP-51 8051 Core Processor
Speed up to 48MHz
I2C, SMBus, SPI, UART/USART, USB Connectivity
Brown-out Detect/Reset, Power-On Reset, PWM, Watchdog Timer Peripherals
25 General Purpose I/O Pins
64KB FLASH Program Memory
25K x 8 RAM Size
Internal Oscillator
A/D 20x10-bit Converters
Surface Mount 32-QFN Package
Operating Temperature Range from -40°C to 85°C
Product Advantages
High-speed 8051 core with up to 48MHz operation
USB functionality for easy connectivity
Multiple serial communication options
Comprehensive set of peripheral functions
Generous on-chip memory for complex applications
Robust operating temperature suitable for various environments
Key Technical Parameters
Core Size: 8-Bit
Speed: 48MHz
Program Memory Size: 64KB (64K x 8)
RAM Size: 4.25K x 8
Voltage Supply: 2.65V to 3.6V
Number of I/O: 25
Data Converters: A/D 20x10b
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Brown-out Detect/Reset ensures system integrity during voltage dips
Power-On Reset for reliable start-up
Watchdog Timer to recover from software errors
Compatibility
Compatible with USB 2.0 Full Speed specification
Supports various serial communication protocols
Application Areas
Industrial control
Consumer electronics
Automotive systems
Home automation
Internet of Things devices
Product Lifecycle
Product Status: Active
Continuous manufacturer support with no current discontinuation notice
Reasons to Choose This Product
High-performance 8051 MCU ideal for time-sensitive applications
USB interface for modern connectivity requirements
Comprehensive communication protocol support facilitates system integration
Advanced peripheral set enhances design flexibility
Significant memory allocation for robust applications
Reliable performance across industrial temperature ranges
Long-term availability and support from Silicon Labs