Manufacturer Part Number
C8051F021
Manufacturer
Silicon Labs
Introduction
The C8051F021 is an 8-bit microcontroller from the C8051F02x series with a high-speed 8051 core, designed for embedded applications.
Product Features and Performance
High-speed 8051 microcontroller core (up to 25 MHz).
Advanced digital peripherals including PWM, WDT, and Temp Sensor.
Multiple communication interfaces: EBI/EMI, SMBus, SPI, UART/USART.
Robust I/O options with 32 programmable ports.
Large program memory size of 64KB FLASH.
Convenient RAM size of 4.25K x 8 for data operations.
On-chip analog features including multi-channel A/D and D/A converters.
Internal oscillator for reliable timing.
Operating temperature range of -40°C to 85°C suitable for industrial applications.
Product Advantages
Integrated analog features to reduce external component count.
Broad connectivity support enhances system integration.
Flexible voltage range accommodating various power supplies.
High integration for smaller footprint and reduced system cost.
Key Technical Parameters
Core Processor: 8051
Core Size: 8-Bit
Speed: 25MHz
Number of I/O: 32
Program Memory Size: 64KB (64K x 8)
RAM Size: 4.25K x 8
Voltage Supply: 2.7V ~ 3.6V
Data Converters: 8x8b A/D, 8x12b A/D, 2x12b D/A
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Brown-out Detect/Reset for power management.
Power-on Reset (POR) for system integrity on boot.
Watchdog Timer (WDT) to prevent system lock-ups.
Compatibility
Compatible with a variety of development tools and software.
Surface Mount 64-TQFP package for standard PCB assembly.
Application Areas
Industrial controls
Sensor interfacing
Data acquisition systems
Communication systems
Product Lifecycle
Obsolete product status suggests production may have ended.
Users should consult the manufacturer for replacement or upgrade options.
Several Key Reasons to Choose This Product
Robust I/O and on-chip peripherals reduce additional components needed.
A versatile set of communication interfaces for expansive compatibility.
Enhanced analog features enable diverse application use.
Flash memory allows for easy program updates.
Established 8-bit core provides ease of development with a wide range of tools.
C8051F021-GQSilicon