KSZ8863MLLI: A Modern Ethernet Switch from Micrel – A Compact Solution for Smart Networks

The KSZ8863MLLI is a compact, high-performance Ethernet switch designed by Micrel (now part of Microchip Technology). It is a three-port Ethernet switch IC that is ideally suited for applications requiring network traffic management in compact and energy-efficient solutions.

Key features:

1. Ports and Bandwidth

• Port type: Three Fast Ethernet ports (10/100 Mbps).
• Purpose: Manages traffic between ports and integrates with devices supporting various Ethernet interfaces.

2. Management Features

• IEEE 802.1Q VLAN support: Configuration of up to 16 VLAN groups for network traffic segmentation.
• QoS (Quality of Service): Network traffic prioritization based on various classifiers.
• Spanning Tree Protocol (STP): Network loop prevention with support for STP and RSTP (Rapid Spanning Tree Protocol).

3. Energy Efficiency

• IEEE support: Reduces energy consumption during low network activity or idle periods.
• Low power consumption: An ideal choice for power-constrained devices such as IoT or mobile applications.

4. Communication Interfaces

• MII/RMII: Enables connection to the main processor or other networking ICs.
• SPI: Simple interface for chip configuration and monitoring.

5. Protocol Support

• Auto MDIX: Automatically detects cable type (straight or crossover).
• Broadcast Storm Protection: Protects against excessive broadcast traffic flooding.
• IGMP snooping: Efficient multicast traffic management for protocols like IPTV and VoIP.

6. Integration and Applications

• Built-in memory buffers: Enables fast traffic handling without delays.
• High reliability: Designed for industrial, automotive, and IoT applications.
• Operating temperature range: Broad range from -40°C to +85°C, suitable for demanding environments.

Applications:

• Embedded devices: Industrial automation, surveillance systems.
• Networking infrastructure: Routers, access points, media converters.
• Automotive systems: Infotainment, communication between ECUs (Electronic Control Units).
• IoT: Traffic management in smart devices.

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