KSZ8893FQL Single-Chip 3-Port Switch with Fiber Support - Control Registers Configurable on the Fly (Port- Features Priority, 802.1p/d/q, AN) Integrated 3-Port 10/100 Ethernet Switch QoS/CoS Packet Prioritization Support - Three MACs and Two PHYs Fully Compliant - Per Port, 802.1p, and DiffServ-Based with IEEE 802.3u Standard - Re-Mapping of 802.1p Priority Field Per Port - Non-Blocking Switch Fabric Ensures Fast Basis Packet Delivery by Utilizing an 1K MAC - Four Priority Levels Address Lookup Table and a Store-and-Forward Advanced Switch Features Architecture - IEEE 802.1q VLAN Support for Up to 16 Groups - Full-Duplex IEEE 802.3x Flow Control (PAUSE) (Full Range of VLAN IDs) with Force Mode Option - VLAN ID Tag/Untag Options, Per Port Basis - Half-Duplex Back Pressure Flow Control - IEEE 802.1p/q Tag Insertion or Removal on a - HP Auto MDI-X for Reliable Detection of and Per Port Basis (Egress) Correction for Straight-Through and Crossover - Programmable Rate Limiting at the Ingress and Cables with Disable and Enable Option Egress on a Per Port Basis - Microchip LINKMD TDR-Based Cable Diag- - Broadcast Storm Protection with Percent Con- nostics Permit Identification of Faulty Copper Cabling trol (Global and Per Port Basis) - IEEE 802.1d Spanning Tree Protocol Support - 100BASE-FX, 100BASE-SX, and 10BASE-FL Fiber Support on Port 1 - Special Tagging Mode to Inform the Processor which Ingress Port Receives the Packet - MII Interface Supports Both MAC Mode and PHY Mode - IGMP Snooping (IPv4) and MLD Snooping (IPv6) Support for Multicast Packet Filtering - RMII Interface Support with External 50 MHz System Clock - MAC Filtering Function to Forward Unknown Unicast Packets to Specified Port - 7-Wire Serial Network Interface (SNI) Support for Legacy MAC - Double-Tagging Support - Comprehensive LED Indicator Support for Link, Low Latency Support Activity, Full-/Half-Duplex and 10/100 Speed - Repeater Mode Fiber Support Switch Monitoring Features - Integrated LED Driver and Post Amplifier for - Port Mirroring/Monitoring/Sniffing: Ingress and/ 10BASE-FL and 100BASE-SX Optical Modules or Egress Traffic to Any Port or MII TTC TS-1000 OAM - MIB Counters for Fully Compliant Statistics - Supports OAM Sub-Layer which Conforms to Gathering, 34 MIB Counters Per Port TS-1000 V2 Specification from Telecommunica- - Loopback Modes for Remote Diagnostic of Fail- tion Technology Committee (TTC) ure - Sends and Receives OAM Frames to Center or Low Power Dissipation Terminal Side - Full-Chip Hardware Power-Down (Register - Loopback Mode to Support Loopback Packet Configuration Not Saved) from Center Side to Terminal Side - Per Port Based Software Power-Save on PHY - Far-End Fault Detection with Disable and (Idle Link Detection, Register Configuration Pre- Enable served) - Link Transparency to Indicate Link Down from - Voltages: Core 1.2V, I/O and Transceiver 3.3V Link Partner Available in a 128-Pin PQFP, Lead-Free Package - Unique User Defined Register (UDR) Feature Brings OAM to Low Cost/Complexity Nodes Applications Comprehensive Configuration Register Access Media Conversion Modules 2 - SMI, SPI, and I C Management Interfaces to All - 10BASE-FL to/from 10BASE-T 8-bit Internal Registers - 100BASE-SX to/from 100BASE-TX - MII Management (MIIM) Interface to PHY Reg- - 100BASE-FX to/from 100BASE-TX isters FTTx Managed/Unmanaged Media Converters - I/O Pins Strapping and EEPROM to Program Fiber Broadband Gateways Selective Registers in Unmanaged Switch Mode 2019 Microchip Technology Inc. DS00003038B-page 1KSZ8893FQL TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: