Datasheet Microchip LAN9313-NU-TR — Даташит

LAN9313/LAN9313i
Three Port 10/100 Managed Ethernet Switch with MII
Highlights High performance and full featured 3 port switch
with VLAN, QoS packet prioritization, Rate Limiting, IGMP monitoring and management functions Serial management via SPI/I2C or SMI Unique Virtual PHY feature simplifies software
development by mimicking the multiple switch
ports as a single port PHY Integrated IEEE 1588 Hardware Time Stamp Unit 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 Key Benefits Ethernet Switch Fabric
-32K buffer RAM
-1K entry forwarding table
-Port based IEEE 802.1Q VLAN support (16
groups) -Programmable IEEE 802.1Q tag insertion/removal -IEEE 802.1d spanning tree protocol support
-QoS/CoS Packet prioritization
-4 dynamic QoS queues per port
-Input priority determined by VLAN tag, DA lookup,
TOS, DIFFSERV or port default value
-Programmable class of service map based on input
priority
-Remapping of 802.1Q priority field on per port basis …