The Intel LU82551QM is a highly integrated Gigabit Ethernet controller designed for embedded systems and networking applications. It provides a robust and reliable solution for high-speed data transfer over Ethernet networks.

Applications

• Embedded Systems
• Industrial Automation
• Networking Devices (Routers, Switches)
• Security Appliances
• Test and Measurement Equipment

Features

• Gigabit Ethernet Support: Compliant with IEEE 802.3ab standard for 1000BASE-T.
• Integrated MAC and PHY: Combines the Media Access Controller (MAC) and Physical Layer (PHY) into a single chip for simplified design and reduced board space.
• PCI/PCI-X Interface: Supports PCI and PCI-X bus interfaces for seamless integration with a wide range of host systems.
• Advanced Power Management: Features power-saving modes to reduce power consumption in idle or low-activity states.
• Wake-on-LAN (WoL): Supports Wake-on-LAN functionality, allowing remote system wake-up over the network.
• TCP/IP Checksum Offload: Offloads TCP/IP checksum calculations from the host processor to improve performance.
• Large Send Offload (LSO): Supports Large Send Offload to reduce CPU overhead for large data transmissions.
• Interrupt Handling: Provides efficient interrupt handling mechanisms to minimize latency.
• Quality of Service (QoS): Enables prioritization of network traffic for improved performance of critical applications.

Benefits

• High-Speed Data Transfer: Gigabit Ethernet support enables rapid data transfer rates, enhancing network performance.
• Simplified Design: Integrated MAC and PHY reduce design complexity and board space requirements.
• Lower Power Consumption: Power management features minimize energy usage, extending battery life in portable devices.
• Remote Management: Wake-on-LAN support allows remote system administration, reducing the need for on-site intervention.
• Improved System Performance: TCP/IP checksum offload and Large Send Offload reduce CPU load, improving overall system performance.
• Enhanced Network Reliability: Robust design and QoS support ensure reliable network operation.

Additional Details

The LU82551QM is typically packaged in a QFP (Quad Flat Package) or similar surface-mount package. It requires a 3.3V power supply and operates over a wide temperature range, making it suitable for industrial and embedded applications. Detailed specifications regarding power consumption, operating temperature, and interface signals can be found in the product datasheet.