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KS8993M Datasheet(PDF) 2 Page - Micrel Semiconductor |
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KS8993M Datasheet(HTML) 2 Page - Micrel Semiconductor |
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2 / 85 page 
Micrel, Inc. KS8993M/ML/MI April 2005 2 M9999-041205 Features • Proven Integrated 3-Port 10/100 Ethernet Switch – 2nd generation switch with three MACs and two PHYs fully compliant to IEEE 802.3u standard – Non-blocking switch fabric assures fast packet delivery by utilizing a 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 – Automatic MDI/MDI-X crossover with disable and enable option – 100BASE-FX support on port 1 – MII interface supports both MAC mode and PHY mode – 7-wire serial network interface (SNI) support for legacy MAC – Comprehensive LED Indicator support for link, activity, full/half duplex and 10/100 speed • Comprehensive Configuration Register Access – Serial management interface (SMI) to all internal registers – MII management (MIIM) interface to PHY registers – SPI and I 2C 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…) • QoS/CoS Packet Prioritization Support – Per port, 802.1p and DiffServ-based – Re-mapping of 802.1p priority field per port basis • Advanced Switch Features – IEEE 802.1q VLAN support for up to 16 groups (full-range of VLAN ID) – 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 from 0Mbps to 100Mbps at the ingress and egress port, rate options for high and low priority per port basis – Broadcast storm protection with % control (global and per port basis) – IEEE 802.1d spanning tree protocol support – Upstream special tagging mode to inform the processor which ingress port receives the packet – IGMP v1/v2 snooping support for multicast packet filtering – Double-tagging support • Switch Management 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: <0.8 Watts (includes PHY transmit drivers) – Full-chip hardware power-down (register configuration not saved) – Per port based software power-save on PHY (idle link detection, register configuration preserved) – 0.18um CMOS technology – Voltages: Core 1.8V I/O and Transceiver 3.3V Use K8993ML for 3.3V only operation • Industrial Temperature Range: –40 oC to +85oC • Available in128-Pin PQFP Applications • Universal Solutions – Broadband gateway / Firewall / VPN – Integrated DSL or cable modem multi-port router – Wireless LAN access point + gateway – Residential and enterprise VoIP gateway/phone – Set-top/game box – Home networking expansion – Standalone 10/100 switch – FTTx customer premises equipment – Fiber broadband gateway • Upgradeable Solutions (1) – Unmanaged switch with future option to migrate to a managed solution – Single PHY alternative with future expansion option for two ports • Industrial Solutions – Applications requiring port redundancy and port monitoring – Sensor devices in redundant ring topology Note: 1. The cost and time of PCB re-spin. |
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