Microchip Technology, Inc. Controllers LAN9311-NZW

The LAN9311-NZW is a two-port 10/100 managed Ethernet switch designed for high-performance applications. It features a 16-bit non-PCI CPU interface and supports various advanced networking functions, including VLAN, QoS packet prioritization, rate limiting, and IGMP monitoring. The switch fabric includes 32K buffer RAM and a 1K entry forwarding table, with support for 16 groups of port-based IEEE 802.1Q VLANs. This product is suitable for a range of applications, including cable and satellite set-top boxes, digital televisions, VoIP systems, and industrial automation. It offers comprehensive switch management capabilities, such as port mirroring and fully compliant statistics gathering. The LAN9311-NZW also includes an integrated IEEE 1588 hardware time stamp unit for precise timing applications. The device operates with a single 3.3V power supply and is available in both commercial and industrial temperature ranges. Its compatibility with most 16-bit embedded CPUs and unique Virtual PHY feature simplifies software development by allowing multiple switch ports to be treated as a single port MAC/PHY.