Manufacturer Part Number
C8051F321
Manufacturer
Silicon Labs
Introduction
The C8051F321 is an 8-Bit, 8051 core microcontroller designed for a variety of embedded applications, featuring a range of built-in peripherals and compatibility options.
Product Features and Performance
8051 Core Processor
Speed of 25MHz
Supports SMBus (2-Wire/I2C), SPI, UART/USART, and USB connectivity
Includes peripherals such as Brown-out Detect/Reset, POR, PWM, Temperature Sensor, and Watchdog Timer
Program Memory Size of 16KB, Flash type
Data Converters: A/D 13x10b
Oscillator Type: Internal
Product Advantages
High integration with multiple connectivity options and onboard peripherals enhances system reliability and reduces package footprint
Internal oscillators reduce external component count
A/D converters facilitate analog signal monitoring
Key Technical Parameters
Core Size: 8-Bit
Number of I/O: 21
RAM Size: 2.25K x 8
Supply Voltage: 2.7V ~ 3.6V
Operating Temperature: -40°C ~ 85°C
Package Type: 28-VFQFN Exposed Pad
Quality and Safety Features
Integrated Brown-out Detect/Reset ensures reliable operation during voltage drops
Temperature sensor for thermal monitoring
Watchdog Timer for system recovery and maintenance
Compatibility
Supports a wide range of communication protocols to ensure compatibility with existing systems and peripherals
Application Areas
Industrial Controls
Consumer Electronics
Automotive systems
Telecommunications
Product Lifecycle
Currently marked as Obsolete
Potential alternatives or upgrades should be consulted with Silicon Labs for longevity support
Several Key Reasons to Choose This Product
Versatile connectivity options compatible with various industrial standards
Integrated safety features enhance system reliability
Efficient data handling and monitoring capabilities through built-in A/D converters
Optimized for low-power applications with a wide supply voltage range
Robust operation supported by an extensive temperature range suitable for harsh environments