C8051F331-GM - Energy Micro (Silicon Labs)

Manufacturer Part Number

C8051F331-GM

Manufacturer

Silicon Labs

Introduction

The C8051F331-GM is a high-performance 8-bit microcontroller from the C8051F33x series tailored for embedded control systems.

Product Features and Performance

Core Processor: 8051

Core Size: 8-Bit

Speed: 25MHz

Connectivity includes SMBus (2-Wire/I2C), SPI, UART/USART

Peripherals include Power-on Reset (POR), Pulse Width Modulation (PWM), Watchdog Timer (WDT)

17 I/O pins

8KB FLASH Program Memory

768 bytes RAM

Internal Oscillator

Product Advantages

Compact 20-MLP (4x4) surface mount package enhances board space efficiency

Low power consumption with a supply voltage range of 2.7V to 3.6V supports battery-operated applications

Integrated peripherals reduce the need for external components

Key Technical Parameters

Program Memory Size: 8KB (8K x 8)

RAM Size: 768 x 8

Voltage Supply (Vcc/Vdd): 2.7V ~ 3.6V

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Built-in watchdog timer prevents system failures

Power-on Reset ensures reliable operation from startup

Compatibility

Compatible with SMBus, SPI, and UART/USART communication protocols

Application Areas

Industrial control systems

Consumer electronics

Automotive electronics

Product Lifecycle

Classified as “Not For New Designs” indicating it may be nearing discontinuation

Potential for replacements or upgrades should be confirmed with Silicon Labs for new projects

Several Key Reasons to Choose This Product

Robust temperature range (-40°C to 85°C) suited for harsh environments

Integrated 25MHz internal oscillator eliminating the need for external clock sources

Comprehensive peripheral set simplifies system design and lowers total cost