General Description

The LAN9303/LAN9303i is a full featured, 3 port 10/100 managed Ethernet switch designed for embedded applications where performance, flexibility, ease of integration and system cost control are required. The LAN9303/LAN9303i combines all the functions of a 10/100 switch system, including the Switch Fabric, packet buffers, Buffer Manager, Media Access Controllers (MACs), PHY transceivers, and serial management. The LAN9303/LAN9303i complies with the IEEE 802.3 (full/half-duplex 10BASE-T and 100BASE-TX) Ethernet protocol specification and 802.1D/802.1Q network management protocol specifications, enabling compatibility with industry standard Ethernet and Fast Ethernet applications.

PRODUCT FEATURES

Highlights

■ Up to 200Mbps via Turbo MII Interface

■ High performance, full featured 3 port switch with VLAN, QoS packet prioritization, Rate Limiting, IGMP monitoring and management functions

■ Serial management via I2C or SMI

■ Unique Virtual PHY feature simplifies software development by mimicking the multiple switch ports as a single port PHY

Target Applications

■ Cable, satellite, and IP set-top boxes

■ Digital televisions

■ Digital video recorders

■ VoIP/Video phone systems

■ Home gateways

■ Test/Measurement equipment

■ Industrial automation systems