intel lxt9761/81, lxt9762/82 and lxt9763 10/100base hex/octal ethernet transceivers product overview with the proliferation of pcs and other internet appliances, the need for faster data transmission is becoming more and more of a necessity. intel, a leader in fast ethernet technology, offers low-power, single-chip hex/octal 10base-t and 100base-tx/fx phy products, bringing robust cable discharge event ( cde ) performance to networking systems such as switches and multi-port network interface cards ( nics ) . the five transceivers in this product family, lxt9761, LXT9781, lxt9762, lxt9782, and lxt9763, are advanced 6-port and 8-port phy transceivers incorporating intel s optimal signal processing ( osp ) architecture. osp is an ideal combination of digital signal processing and analog design techniques developed to improve die size, power consumption, performance, relia- bility, and testability. through this architecture, an intel hex/octal 10/100base phy provides low-power copper and fiber optic ethernet connectivity. interfaces available in this product family include the standard media independent interface ( mii ) , serial mii ( smii ) , and reduced mii ( rmii ) , allowing switch asic designs to take advantage of low pin-count phy interfaces. the intel family of 10/100base hex/octal ethernet transceivers can provide significant savings for high-density switch and router appli- cations. with one of the broadest ethernet product lines in the industry, intel stands ready to deliver the 10mbps, 100mbps and 1000mbps devices oems require to meet their customers needs. product brief www.intel.com/ design/network intel internet exchange architecture product ports interface package lxt9761 6 rmii (3.3/2.5v) 208 pqfp LXT9781 8 rmii (3.3/2.5v) 208 pqfp & 272 pbga lxt9762 6 smii (3.3/2.5v) 208 pqfp lxt9782 8 smii (3.3/2.5v) 208 pqfp & 272 pbga lxt9763 6 mii (3.3/2.5v) 208 pqfp lxt976x/8x family of advanced multi-port fast ethernet transceivers port 0 ports 1? 10 3 100 per-port functions 8 port global functions 10 100 management/ mode select logic & led drivers clock generator tx pcs 2 2 2 rx pcs led n _<2:0> txd n mdint mdc mdio reset tpfop n tpfon n tpfip n tpfin n fiber select n pwrdn refclk sync (smii only) add_<4.0> rmii/smii contr rxd n 100tx tp driver management/ mode select logic & led drivers clock generator tx pcs rx pcs 100tx tp driver + + + + + management/ mode select logic & led drivers clock geerator tx pcs rx pcs tp driver management/ mode select logic & led drivers management/ mode select logic & led drivers carrier sense data valid error detect management counters register set port led drivers clock generator pulse shaper clock generator tx pcs serial-to- parallel converter parallel/ serial converter manchester decoder decoder & descrambler decoder & descrambler adaptive eq with bl wander cancellation manchester decoder cim auto negotiation media select register set rx pcs 100tx tp driver ecl driver 100fx slicer tp/ fiber in tp/ fiber out 10bt lxt9761/81 lxt9762/82 and lxt9763 block diagram
order number: 248915-001 printed in usa/0101/1k/asi/cr intel internet exchange architecture copyright ?2001 intel corporation intel access developer s site developer.intel.com intel internet exchange architecture home page www.intel.com/ixa networking components home page developer.intel.com/design/network other intel support: developer.intel.com/design/litcentr intel literature center (800) 548-4725 7 a.m. to 7 p.m. cst (u.s. and canada) international locations please contact your local sales office. general information hotline (800) 628-8686 or (916) 356-3104 5 a.m. to 5 p.m. pst intel ? internet exchange architecture ( ixa ) is an end-to-end family of high-performance, flexible and scalable hardware and software development building blocks designed to meet the growing performance requirements of today s networks. based on programmable silicon and software building blocks, intel ? ixa solutions enable faster development, more co st-effective deployment, and future upgradability of network and communications systems. additional information can be found at www.intel.com/ixa. n helps simplify designs ?reduces board space ?reduces system cost n helps reduce manufacturing and system costs n helps reduce system cost and power ?system design using only 3.3v ?3.3 and 2.5v interfaces available n provides system design flexibility ?legacy compliance ?lower pin count interface ?lowest pin count interface n offers consistent error-free performance n helps maximize line-operating conditions n utilizes 100base-fx fiber optic cable n provides added functionality n provides for per-port activity/collision indicator n enables simultaneous data transmit/receive n 6 or 8 independent 10/100 ports n low-cost standard pqfp package n very low power ?3.3v operation ?2.5v interface option n multiple interfaces ?media independent interface (mii) ?reduced mii ?serial mii n baseline wander correction n auto negotiation/parallel detection n pecl interface n extended register capability n configurable led drivers n 10/100mbps full duplex operation features benefits for more information, visit the intel web site at: developer.intel.com united states and canada intel corporation robert noyce bldg. 2200 mission college blvd. p.o. box 58119 santa clara, ca 95052-8119 usa europe intel corporation (uk) ltd. pipers way swindon wiltshire sn3 1rj uk asia-pacific intel semiconductor ltd. 32/f two pacific place 88 queensway, central hong kong, sar japan intel japan (tsukuba hq) 5-6 tokodai tsukuba-shi 300-2635 ibaraki-ken japan south america intel semicondutores do brazil ltda rue florida, 1703-2 and cj22 04565-001 sao paulo-sp brazil intel corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in an intel product. no other circuit patent licenses are implied. information contained herein supersedes previously published specifications on these devices from intel. *other brands and names are the property of their respective owners.
|
