physical layer product VSC2800 features: eight 10/100 ethernet mac ports c ommunicates via the focus16 interface - a compact 80 mhz, 16-bit dual unidirectional interface burst-oriented data streaming standard mii or rmii connections - port selectable statistics gathering in hardware jumbo packet support c ontrol, statistics and data provided over the focus16 interface benefits: r apid integration of fast ethernet in iq2000?-based systems standards compliance high density/low power block diagram: VSC2800 octalmac fast ethernet controller iq2000? platform products: iq2000 family vsc2100 - 4 focus16s vsc2102 - 2 focus16s & 2 gigabit macs vsc2132 - 2 focus32s each npu features four integrated 200mhz, fully programmable, multicontext packet processing engines flexible, high bandwidth interface capability (ds-0 to oc-48) connectivity family VSC2800 - fast ethernet controller vsc2708 - focus connect switch developers workbench: software development suite hardware development system application code building blocks interface models softnet networking software library alliance partners & solutions t raffic management security processors policy engines switching fabrics optical connectivity network software consulting services network processor family pb-VSC2800-001 statistics mii or rmii mii or rmii mii or rmii mii or rmii t ransmit controller receive controller focus16 interface 10/100 mac 10/100 mac 10/100 mac 10/100 mac
y our partner for success. for more information on vitesse products visit the vitesse web site at www.vitesse.com or contact vitesse sales at (800) vitesse or sales@vitesse.com ?2002 vitesse semiconductor corporation 741 calle plano camarillo, ca 93012, usa te l: +1 805.388.3700 fax: +1 805.987.5896 www.vitesse.com seamless integration with the iq2000? family of npus the VSC2800 octalmac is a single chip high-speed packet concentrator designed to communicate via the focus16 interface with vitesse?s iq2000? architecture. the octalmac combines high performance packet transfer features, comprehensive packet-handling capabilities, and automated statistics gathering for network management support. the octalmac provides a cost effective solution with excellent performance when used in conjunction with vitesse?s iq2000 family of network processors. the integrated features of the octalmac offload the functions of the network processor while simplifying the design and lowering overall design costs. vitesse?s octalmac allows the network processor to concentrate on providing next generation services such as diffserv and ipsec while delivering wire-rate performance. the octalmac also reduces host processing requirements by providing automated gathering of rmon and snmp network management statistics. focus16 the focus interface is a high performance, point-to-point interface designed to efficiently transfer packet data between v itesse?s iq2000 family of network processors and peripheral i/o interface devices or interconnect fabrics. in addition to data transfer, the focus interface supports in band access to statistics as well as command and status information. general description: VSC2800 octalmac fast ethernet controller functionality the device incorporates eight internal 10/100 ethernet media access controllers (macs), a single focus16 interface, and a mii management controller. each mac is dual speed and capable of half-duplex and full-duplex operation. flow control is provided in the half-duplex mode with backpressure. in full- duplex mode, 802.3x frame-based flow control is supported. each mac is 802.3 compliant and supports maximum frame sizes up to 1536 bytes. the device also supports jumbo packets up to 64kbytes. the eight ethernet macs interface directly to commercially available phy devices using either mii or rmii. the octalmac can be configured on a per port basis to support a mixture of mii and rmii phy devices. the octalmac includes automated statistics gathering on a per port basis for layer management, snmp, and rmon support. the octalmac automatically counts the packet type, length, errors, and other packet characteristics for both transmit and receive. a total of 48 statistical counters per port are internally maintained for use by system software in support of the various management information bases (mibs) required by network systems. VSC2800 specifications: applications: ordering information: interfaces (port selectable) eight 10/100 mii ports or eight 10.100 rmii ports focus16 interface 1.28 gb/s full duplex bandwidth eight data channels and one control channel per interface 36 pin interface support for ieee standards compliant with 802.3 (ethernet), 802.3 , 802.3x supports vlan based standards: - 802.1d (mac bridges) - 802.1q (vlan) - 802.3ac (frame extensions) environmental 2.5v core, 3.3v i/o, 5v tolerant 0.6w (max) 208 pin pqfp part number VSC2800 description eight port 10/100 ethernet mac high port density applications stand-alone or modular systems - intelligent edge devices - core switches and routers - packet/voice gateways - l5 web switches 0? - 70? celsius operating temp support for statistics management supports 26 receive statistics per port supports 22 transmit statistics per port supports ietf recs: - 1573 (mib-ii interfaces), - 1643/1650 (ether mib statistics), - 1757 (rmon mib) focus16 interface 10/100 ethernet VSC2800
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