The Winbond W83697UF is a highly integrated Super I/O chip designed for PC systems. Like other members of the W83697 family, it incorporates functions like an LPC interface, hardware monitoring, fan control, and legacy I/O ports into a single chip. This integration reduces system costs and simplifies motherboard designs. The W83697UF is commonly found on motherboards to manage essential system operations and provide connectivity for older devices.

Applications

• Desktop PC motherboards
• Embedded systems
• Industrial PCs

Features

• LPC Interface: Provides a low pin count interface for communication with the system chipset, saving board space and reducing costs.
• Hardware Monitoring: Continuously monitors critical system parameters, including CPU temperature, system temperature, fan speeds, and voltage levels, ensuring stable operation.
• Fan Control: Offers advanced fan control features, allowing for automatic adjustment of fan speeds based on temperature readings to optimize cooling and minimize noise.
• Legacy I/O Ports: Includes support for legacy serial and parallel ports, providing compatibility with older peripherals.
• Keyboard and Mouse Controller: Integrated keyboard and mouse controller supporting PS/2 connectivity.
• GPIO Pins: Provides general-purpose input/output (GPIO) pins for custom applications and system configuration flexibility.

Benefits

• Reduced System Cost: By integrating multiple functions into a single chip, the W83697UF minimizes the number of discrete components needed on the motherboard, lowering overall costs.
• Enhanced System Stability: Comprehensive hardware monitoring capabilities help detect potential issues early, preventing system failures and increasing overall reliability.
• Optimized Cooling Performance: Intelligent fan control algorithms automatically adjust fan speeds based on temperature, maximizing cooling efficiency and reducing noise.
• Legacy Device Compatibility: Maintains compatibility with older serial and parallel peripherals, allowing for easy integration with existing systems.
• Simplified Motherboard Design: Reduces the complexity of motherboard design by consolidating multiple functions into a single chip.

Additional Details

The W83697UF typically comes in a 128-pin PQFP package. It operates on a 3.3V power supply. Its hardware monitoring section monitors voltages, temperatures, and fan speeds. The fan control supports both manual and automatic modes based on temperature sensors. The legacy I/O section includes two serial ports and one parallel port.