The Winbond W83697SF is a highly integrated Super I/O chip designed for PC systems. It combines various functionalities, including LPC interface, hardware monitoring, fan control, and legacy I/O ports. This integration reduces the overall system cost and complexity, making it a popular choice for motherboard manufacturers. The W83697SF is responsible for managing essential system functions and providing connectivity for older peripherals.

Applications

• Desktop PC motherboards
• Embedded systems
• Industrial PCs

Features

• LPC Interface: Offers a low pin count interface for communication with the system chipset, saving board space and reducing cost.
• Hardware Monitoring: Monitors critical system parameters such as CPU temperature, system temperature, fan speeds, and voltage levels to ensure system stability.
• Fan Control: Provides advanced fan control capabilities, enabling automatic adjustment of fan speeds based on temperature readings for optimal cooling and noise reduction.
• Legacy I/O Ports: Includes support for legacy serial and parallel ports, ensuring compatibility with older devices.
• Keyboard and Mouse Controller: Integrated keyboard and mouse controller for PS/2 connectivity.
• GPIO Pins: Offers general-purpose input/output (GPIO) pins for custom applications and flexible system configuration.

Benefits

• Cost Reduction: Integrates multiple functions into a single chip, lowering the number of discrete components required on the motherboard and reducing overall cost.
• Improved System Stability: Comprehensive hardware monitoring helps detect potential problems early, preventing system failures and increasing overall reliability.
• Optimized Cooling Performance: Intelligent fan control algorithms automatically adjust fan speeds to maintain optimal temperatures, reducing noise and extending component lifespan.
• Legacy Device Support: Maintains compatibility with older serial and parallel peripherals, allowing for seamless integration with existing systems.
• Simplified System Design: Reduces the complexity of motherboard design by integrating multiple functionalities into a single chip.

Additional Details

The W83697SF comes in a 128-pin PQFP package. It typically operates on a 3.3V power supply. The hardware monitoring capabilities include sensors for monitoring voltages, temperatures, and fan speeds. The fan control feature supports both manual and automatic control based on temperature sensors. It usually includes 2 serial ports and 1 parallel port in the Legacy I/O section.