LAN9303/LAN9303i Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII Datasheet PRODUCT FEATURES Switch Management Highlights Port mirroring/monitoring/sniffing: ingress and/or egress Up to 200Mbps via Turbo MII Interface traffic on any port or port pair Fully compliant statistics (MIB) gathering counters High performance, full featured 3 port switch with Control registers configurable on-the-fly VLAN, QoS packet prioritization, Rate Limiting, IGMP Ports monitoring and management functions Port 0 - MII MAC, MII PHY, RMII PHY modes 2 Serial management via I C or SMI 2 internal 10/100 PHYs with HP Auto-MDIX support Unique Virtual PHY feature simplifies software 200Mbps Turbo MII (PHY or MAC mode) Fully compliant with IEEE 802.3 standards development by mimicking the multiple switch ports 10BASE-T and 100BASE-TX support as a single port PHY Full and half duplex support Full duplex flow control Target Applications Backpressure (forced collision) half duplex flow control Automatic flow control based on programmable levels Cable, satellite, and IP set-top boxes Automatic 32-bit CRC generation and checking Digital televisions 2K Jumbo packet support Digital video recorders Programmable interframe gap, flow control pause value Full transmit/receive statistics VoIP/Video phone systems Full LED support per port Home gateways Auto-negotiation Test/Measurement equipment Automatic polarity correction Automatic MDI/MDI-X Industrial automation systems Loop-back mode Key Benefits Serial Management 2 I C (slave) access to all internal registers Ethernet Switch Fabric MIIM (MDIO) access to PHY related registers 32K buffer RAM SMI (extended MIIM) access to all internal registers 512 entry forwarding table Other Features Port based IEEE 802.1Q VLAN support (16 groups) General Purpose Timer Programmable IEEE 802.1Q tag insertion/removal 2 I C Serial EEPROM interface IEEE 802.1D spanning tree protocol support Programmable GPIOs/LEDs 4 separate transmit queues available per port Single 3.3V power supply Fixed or weighted egress priority servicing ESD Protection Levels QoS/CoS Packet prioritization 8kV HBM without External Protection Devices Input priority determined by VLAN tag, DA lookup, 8kV contact mode (IEC61000-4-2) TOS, DIFFSERV or port default value 15kV air-gap discharge mode (IEC61000-4-2) Programmable Traffic Class map based on input priority on per port basis Latch-up exceeds 150mA per EIA/JESD 78 Remapping of 802.1Q priority field on per port basis 56-pin QFN (8x8 mm) Lead-Free RoHS Compliant Programmable rate limiting at the ingress with Package coloring and random early discard, per port / priority Available in Commercial & Industrial Temp. Ranges Programmable rate limiting at the egress with leaky bucket algorithm, per port / priority IGMP v1/v2/v3 monitoring for Multicast packet filtering Programmable broadcast storm protection with global % control and enable per port Programmable buffer usage limits Dynamic queues on internal memory Programmable filter by MAC address SMSC LAN9303/LAN9303i DATASHEET Revision 1.5 (07-08-11) Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII Datasheet Order Number(s): LAN9303-ABZJ for 56-Pin, QFN Lead-Free RoHS Compliant Package (0 to 70C Temp Range) LAN9303i-ABZJ for 56-Pin, QFN Lead-Free RoHS Compliant Package (-40 to 85C Temp Range) This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit www.smsc.com/rohs 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000 or 1 (800) 443-SEMI Copyright 2011 SMSC or its subsidiaries. All rights reserved. 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The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSCs website at