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.
