cc2520射频芯片

CC2520DATASHEET2.4GHZIEEE802.15.4/ZIGBEE®RFTRANSCEIVERSWRS068–DECEMBER2007Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimersthretoappearattheendofthisdatasheet.ZigBee®isaregisteredtrademarkownedbyZigBeeAlliance,Inc.Copyright©2007,TexasInstrumentsIncorporated•IEEE802.15.4systems•ZigBee®systems•Industrialmonitoringandcontrol•Homeandbuildingautomation•AutomaticMeterReading•Low-powerwirelesssensornetworks•Set-topboxesandremotecontrols•ConsumerelectronicsKEYFEATURES•State-of-the-artselectivity/co-existenceAdjacentchannelrejection:49dBAlternatechannelrejection:54dB•Excellentlinkbudget(103dB)400mLine-of-sightrange•Extendedtemprange(-40to+125°C)•Widesupplyrange:1.8V–3.8V•ExtensiveIEEE802.15.4MAChardwaresupporttooffloadthemicrocontroller•AES-128securitymodule•CC2420interfacecompatibilitymodeLowPower•RX(receivingframe,-50dBm)18.5mA•TX33.6mA@+5dBm•TX25.8mA@0dBm•1µAinpowerdownGeneral•Clockoutputforsinglecrystalsystems•RoHScompliant5x5mmQFN28(RHD)packageRadio•IEEE802.15.4compliantDSSSbasebandmodemwith250kbpsdatarate•Excellentreceiversensitivity(-98dBm)•Programmableoutputpowerupto+5dBm•RFfrequencyrange2394-2507MHz•Suitableforsystemstargetingcompliancewithworldwideradiofrequencyregulations:ETSIEN300328andEN300440class2(Europe),FCCCFR47Part15(US)andARIBSTD-T66(Japan)MicrocontrollerSupport•DigitalRSSI/LQIsupport•AutomaticclearchannelassessmentforCSMA/CA•AutomaticCRC•768bytesRAMforflexiblebufferingandsecurityprocessing•FullysupportedMACsecurity•4wireSPI•6configurableIOpins•Interruptgenerator•Framefilteringandprocessingengine•RandomnumbergeneratorDevelopmentTools•Referencedesign•IEEE802.15.4MACsoftware•ZigBee®stacksoftware•Fullyequippeddevelopmentkit•PacketsniffersupportinhardwareDESCRIPTIONTheCC2520isTI'ssecondgenerationZigBee®/IEEE802.15.4RFtransceiverforthe2.4GHzunlicensedISMband.Thischipenablesindustrialgradeapplicationsbyofferingstate-of-the-artselectivity/co-existence,excellentlinkbudget,operationupto125°Candlowvoltageoperation.Inaddition,theCC2520providesextensivehardwaresupportforframehandling,databuffering,bursttransmissions,dataencryption,dataauthentication,clearchannelassessment,linkqualityindicationandframetiminginformation.Thesefeaturesreducetheloadonthehostcontroller.Inatypicalsystem,theCC2520willbeusedtogetherwithamicrocontrollerandafewadditionalpassivecomponents.QFN28(RHD)PACKAGETOPVIEW12345678910111213141516171819202128272625242322SOSICSnGPIO5GPIO4GPIO3GPIO2DVDDGPIO1GPIO0AVDD5XOSC32M_Q2XOSC32M_Q1AVDD3CC2520NCAVDD2RF_PNCRF_NAVDD1NCAGNDexposeddieattachedpadSCLKDCOUPLVREG_ENRESETnAVDD_GUARDRBIASAVDD4CC2520DATASHEET2.4GHZIEEE802.15.4/ZIGBEE®RFTRANSCEIVERSWRS068–DECEMBER20072