Micrel, Inc. KSZ8893MQL/MBL Features • Proven Integrated 3-Port 10/100 Ethernet Switch – 3rd generation switch with three MACs and two PHYs fully compliant with IEEE 802.3u standard – Non-blocking switch fabric assures fast packet delivery by utilizing an 1K MAC address lookup table and a store-and-forward architecture – Full duplex IEEE 802.3x flow control (PAUSE) with force mode option – Half-duplex back pressure flow control – HP Auto MDI-X for reliable detection of and correction for straight-through and crossover cables with disable and enable option TM – Micrel LinkMD TDR-based cable diagnostics permit identification of faulty copper cabling – 100BASE-FX support on port 1 – MII interface supports both MAC mode and PHY mode – RMII interface support with external 50MHz system clock – 7-wire serial network interface (SNI) support for legacy MAC – Comprehensive LED Indicator support for link, activity, full/half duplex and 10/100 speed • Switch Monitoring Features – Port mirroring/monitoring/sniffing: ingress and/or egress traffic to any port or MII – MIB counters for fully compliant statistics gathering, 34 MIB counters per port – Loopback modes for remote diagnostic of failure • Low Power Dissipation: – Full-chip hardware power-down (register configuration not saved) – Per port based software power-save on PHY (idle link detection, register configuration preserved) – Voltages: Single power supply: 3.3V o o • Industrial Temperature Range: –40 C to +85 C • Available in 128-Pin PQFP and 100-ball LFBGA, Lead-free package Applications • Typical – Media Converter – FTTx customer premises equipment – VoIP Phone – SOHO Residential Gateway – Broadband Gateway / Firewall / VPN – Integrated DSL/Cable Modem – Wireless LAN access point + gateway – Set-top/Game Box – Standalone 10/100 switch • Comprehensive Configuration Register Access – Serial management interface (SMI) to all internal registers – MII management (MIIM) interface to PHY registers 2 – SPI and I C Interface to all internal registers – I/0 pins strapping and EEPROM to program selective registers in unmanaged switch mode – Control registers configurable on the fly (port-priority, 802.1p/d/q, AN…) • Upgradeable(1) – Unmanaged switch with future option to migrate to a managed solution – Single PHY alternative with future expansion option for two ports • QoS/CoS Packet Prioritization Support – Per port, 802.1p and DiffServ-based – Re-mapping of 802.1p priority field per port basis – Four priority levels • Industrial • Advanced Switch Features – Applications requiring port redundancy and port monitoring – Sensor devices in redundant ring topology – IEEE 802.1q VLAN support for up to 16 groups (fullrange of VLAN IDs) – VLAN ID tag/untag options, per port basis – IEEE 802.1p/q tag insertion or removal on a per port basis (egress) – Programmable rate limiting at the ingress and egress on a per port basis – Broadcast storm protection with % control (global and per port basis) – IEEE 802.1d spanning tree protocol support – Special tagging mode to inform the processor which ingress port receives the packet – IGMP snooping (Ipv4) and MLD snooping (Ipv6) support for multicast packet filtering – MAC filtering function to forward unknown unicast packets to specified port – Double-tagging support – Support IEEE 802.1w, 802.1t spanning tree Note: 1. Reduces cost and time of PCB re-spin. • Low Latency Support – Repeater mode February 2010 2 M9999-021110-1.6
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