Manufacturer Part Number
C8051F981-GMR
Manufacturer
Silicon Labs
Introduction
Embedded 8-bit microcontroller designed for low-power and high-performance applications
Product Features and Performance
High-speed CIP-51 core running at up to 25MHz
Small form factor with 20-QFN (3x3) packaging
16 GPIO for versatile peripheral interfacing
8KB FLASH memory for program storage
512 bytes of internal RAM
Inbuilt peripherals: brown-out detect/reset, power-on reset, PWM, watchdog timer
Internal oscillator for clock generation
Supports SMBus, SPI, UART/USART for connectivity
Product Advantages
Low power consumption suitable for battery-powered devices
Integrated processor features reduce external component count
In-system programmable flash enables firmware updates
Key Technical Parameters
Core Processor: CIP-51 8051
Core Size: 8-Bit
Speed: 25MHz
Program Memory Size: 8KB
RAM Size: 512 x 8
I/O Count: 16
Supply Voltage: 1.8V to 3.6V
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Quality and Safety Features
Brown-out detect/reset ensures reliable operation under fluctuating power conditions
Watchdog timer prevents system lock-up
Compatibility
Compatible with several communication protocols and various peripheral devices
Application Areas
Suitable for consumer electronics, industrial control, automation, and IoT devices
Product Lifecycle
Obsolete status indicating discontinuation of the product
Potential availability of replacements or upgrades should be evaluated
Several Key Reasons to Choose This Product
Efficient 8051 core with 25MHz speed for responsive applications
Integrated memory and peripherals reduce system complexity
Low-power operation extends battery life
Wide operating temperature range ensures reliability in varying environments
SMBus and SPI for flexible device communication