The IT8755E is a highly integrated Super I/O controller manufactured by ITE Tech. It is commonly used in desktop and embedded systems to provide essential input/output functions and system monitoring capabilities.

Applications:

• Desktop motherboards: Provides I/O functions such as serial ports, parallel ports, keyboard, mouse, and fan control.
• Embedded systems: Integrated into embedded systems to provide essential I/O and system monitoring functions.
• Industrial PCs: Used in industrial PCs for control and data acquisition applications.

Features:

• Multiple serial ports: Supports multiple UARTs for serial communication.
• Parallel port: Includes a parallel port for connecting printers and other legacy devices.
• Keyboard and mouse controller: Provides support for PS/2 keyboard and mouse.
• Fan control: Monitors and controls fan speeds to regulate system temperature.
• Hardware monitoring: Monitors system voltages, temperatures, and fan speeds.
• LPC interface: Connects to the LPC bus for communication with the chipset.
• CIR (Consumer Infrared) controller: Supports infrared remote control functionality.

Benefits:

• Integrated I/O functions: Provides a comprehensive set of I/O functions in a single chip.
• System monitoring: Monitors critical system parameters to prevent overheating and hardware failures.
• Fan control: Reduces noise and extends fan life by controlling fan speeds based on system temperature.
• Easy integration: Simplifies system design and reduces the number of external components required.

Technical Specifications: The specific technical specifications, such as the number of serial ports and the range of monitored voltages, will vary depending on the exact variant of the IT8755E. Consult the ITE Tech datasheet for detailed information.

The IT8755E is a versatile and highly integrated Super I/O controller that provides essential I/O functions and system monitoring capabilities for desktop and embedded systems. It simplifies system design, reduces the number of external components, and helps to ensure system stability and reliability.