The IT8728F/CXA is a Low Pin Count (LPC) interface Super I/O controller developed by ITE Tech. It is commonly utilized in desktop and embedded systems to provide essential input/output functionalities. These include managing serial and parallel ports, interfacing with keyboards and mice, and monitoring system health through sensors that track temperature, voltage, and fan speeds.

Applications

• Desktop Motherboards: Functions as a key component on desktop motherboards, providing legacy I/O ports and system monitoring.
• Embedded Systems: Deployed in embedded applications where legacy I/O support and hardware monitoring are necessary.
• Industrial PCs: Integrated into industrial PCs to handle peripheral communication and monitor system health.

Features

• LPC Interface: Communicates with the system chipset via the Low Pin Count (LPC) bus.
• Serial Ports (UARTs): Offers multiple UARTs for serial communication with external devices.
• Parallel Port (LPT): Supports a parallel port for connecting printers and other parallel devices.
• Keyboard and Mouse Interface: Manages communication with keyboard and mouse devices.
• Hardware Monitoring: Monitors system voltage, temperature, and fan speeds for potential issues.
• Fan Control: Regulates fan speeds based on temperature readings to maintain optimal cooling performance.
• GPIO Pins: Provides general-purpose input/output pins for flexible interfacing with external hardware.

Benefits

• Legacy I/O Support: Ensures compatibility with older peripherals through serial and parallel port support.
• System Stability: Monitors critical system parameters to prevent overheating and hardware failures.
• Flexible Configuration: Provides configurable I/O ports to meet specific system requirements.
• Integrated Solution: Combines multiple I/O and monitoring functions into a single chip.
• Improved Thermal Management: Precisely controls fan speeds to maintain optimal system temperature and prevent thermal throttling.

The IT8728F/CXA is an essential component for building reliable and stable desktop and embedded systems. Its comprehensive feature set, including legacy I/O support, hardware monitoring capabilities, and fan control, makes it a versatile and cost-effective solution. The LPC interface enables efficient communication with the system chipset, contributing to overall system performance and stability.