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Broadcom BCM1103 VoIP解决方案
类别:电子综合  
 
  Broadcom公司的Avaya9600系列最先进的VoIP处理器BCM1103集成了MIPS和DSP处理器,吉比特以太网交换和快速以太网物理层器件(PHY).它所提供的特性使得BCM1103非常适合企业VoIP的应用,包括高保真音频,端到端安全保密以及先进的QoS.本文介绍了BCM1103的主要性特点和功能方框图.

  Broadcom®VoIPSolutionsforEnterpriseandSmallBusinessIPPhones

IndustrysMostPopularGigabitSolutionsforEnterprisePhones

TheAvaya9600seriesone-XDeskphoneEditionphonesarebuiltuponBroadcomsmostadvancedVoIPprocessor,theBCM1103.InadditiontotheunparalleledperformanceprovidedbytheintegratedMIPS®anddigitalsignalprocessing(DSP)processors,GigabitEthernetswitchandFastEthernetphysicallayerdevices(PHYs),theBCM1103enablesthedeliveryoffeaturesthatarecriticalforenterprisedeployments,includinghigh-fidelityaudio,end-to-endsecurityandadvancedqualityofservice(QoS).

  SeveralofAvayasenterpriseIPphonesalsoincludeBroadcomsBCM5482single-chipGigabitEthernettransceiver,whichmaximizesthefunctionalityoftheBCM1103VoIPprocessorforphonesusedonGigabitEthernetnetworks.Thedual-portBCM5482transceiverreducesbill-of-material(BOM)costsandutilizeslessboardspacethancompetingsolutionsthatusetwosingle-porttransceivers.ThisenablesBroadcomscustomerstobuildsmallerandmorecosteffectiveIPphones.

  High-QualitySolutionsforCost-ConsciousBusinesses

AvayahasalsoselectedBroadcomVoIPsolutionsforitsAvayaone-XDeskphoneValueEdition(1600series),whichisalowcostfamilyofphonesdesignedtomeetarangeofend-userneeds.Thehigh-endmodelfeaturesBroadcomsBCM1104VoIPprocessor,whichenablesadvancedIPtelephonyfeaturesatpricepointsthatareattractivetocost-consciouscustomers.TheinnovativeBCM1104processoralsointegratesaGigabitEthernetswitchandFastEthernetPHYs,andrunsallcontrolandsignalprocessingtasksontheMIPSprocessorcoreratherthanemployingacostlyembeddeddigitalsignalprocessor.

Includedinthe1600serieslineuparetwoadditionalphonesthatincludeBroadcomsBCM1190IPphonechip.BydeliveringcosteffectiveIPphoneswiththesamevoicequalityandsecurityfeaturesashigher-endmodels,Avayaisprovidingsmall-and-medium-sizedbusinesses(SMBs)withgreaterchoicesfordeployingIPtelephonyacrosstheboard.

  TheBroadcomBCM1103IPphonechipenablesmanufacturerstobuildIPphoneswithintegratedgigabitEthernetswitching,improvedvoicequality,hardwaresecurity,andadvancedgraphics-drivenapplications.

ThechipintegratesagigabitEthernet(10/100/1000Mbps)switchandtwofastEthernet(10/100Mbps)transceivers,allowingforthedevelopmentoftraditionalfastEthernetIPphonedesignswithouttheadditionalcostofaddingexternaltransceivers.WiththeadditionofexternalgigabitEthernettransceivers,manufacturerscaneasilyupgradetheirdesignstocreategigabitEthernetIPphonemodels.

TheBCM1103integratesBroadcomsBroadSAFEsecuritytechnology,whichperformsvoiceencryptionandauthenticationandelevatesthephonessystemsecurityusingauniqueidentifierembeddedineachchipthatisvirtuallyimpossibletodecode,hack,orsteal.Thisprovidesassurancethattheidentityofeachphoneinthenetworkisgenuine.

  Thechipshigh-performanceRISCprocessorandDSPsupportsBroadcomsfield-provenPhonexChangeIPtelephonysoftwaresuite.PhonexChangeincludesawidevarietyofnarrowbandandwidebandvoicecoders,includingBroadcomshigh-fidelityBroadVoice®codec,ahigh-qualityfull-duplexspeakerphonealgorithm,advancedjitterbuffermanagementandpacketlossconcealmenttechniques,andacompletelibraryofstandardtelephonyalgorithmsrequiredforIPphonedesigns.

  TheRISCprocessorfurtherallowscustomerstoaddproductdifferentiatingapplicationsoftware.

  ThechipintegratesavarietyofIPphoneperipheralsincludingwideband-capableanalogcodecs(coder/decoder)withintegratedamplifiers,IrDA,USBhost,andatouchscreendigitizer.Italsoprovidesflexibleinterfacesforexternalperipheralsandmemorytypes.Thishighlevelofintegrationreducesthephonesbillofmaterial(BOM)costsandenablesphonevendorstobuildscalableIPphonesolutionsusingasinglearchitecture.

  主要特性:

  TheBCM1103istheworldsfirstIPphonechipthatincorporatesaGigabitEthernet(GbE)switch,hardwaresecurity,advancedqualityofservice(QoS)techniques,andincreasedprocessingperformanceinasinglechip,enablingfull-featureddesktopIPphones.

  TheBCM1103integrates:

  275-MHzMIPS32®CPU(400DMIPS).

  125-MHz(250MIPS)ZSPDSPwithdual-MAC.

  Three-port10/100/1000BASE-TEthernetswitch.

  Two10/100/1000BASE-TEthernetMACs.

  Two10/100BASE-TEthernettransceivers.

  TwoRGMIIportsforusewithexternalGigabitEthernettransceivers.

  BroadSAFE™HardwareSecurityModule.

  TwowidebandaudioADCsandDACswithintegratedprogrammablegainamplifiers.

  USBhostinterface.

  Touchscreendigitizertosupporttouchscreendisplays.

  High-speedUARTsupportingBluetooth®UARTtransportlayerprotocol.

  General-purposeUART.

  TwoIrDAencodersanddecoders.

  Keyscaninterface.

  LEDmatrixcontrol.

  LEDcadencecontrol.

  GeneralpurposeI/Owithprogrammabledirection.

  IEEE1149.1(JTAG).

  DDRSDRAMcontroller.

  MultifunctionPeripheralInterfacesupportingPCI,PCMCIA,CardBus,EBIdevices.

  TheBCM1103supports:

  NORandNANDFlash.

  SerialFlash.

  DDRSDRAM.

  0.13uprocesstechnology,1.2/2.5/3.3V.

  1.0Wpeak,0.15Wstandby.

  420-pinPBGAPb-freepackage.