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ID:61331845
大小:1.57 MB
页数:13页
时间:2021-01-25
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1、褶印钪搂契戎顺特破啄箍Singlechip433/868/915MHzTransceivernRF905低确椎魏接揽夺咻苛侵崖鳌烽鲻冈荠钓蠓纲佧垩筮FEATURES饶珐鼐邈玎槽缆挲纹衔杉·TruesinglechipGFSKtransceiverinasmall32-pinpackage(32LQFN5x5mm)煮佾蒽搐嗬漠仁鞘砬斑窬·ShockBurst™modeforlowpoweroperation鞭犸铽虻拖碌粘蔫蝗鸦酴·Powersupplyrange1.9to3.6V门踵诘坑咀投磔睢篡
2、抿菀·Multichanneloperation–ETSI/FCCCompatible栅她平请宁颓翁迮捆咨酮·Channelswitchingtime<650ms烃迦移间苇淖颐讥濡胫跹·ExtremelylowcostBillofMaterial(BOM)序元弥嬷蓓漳酣岸榫彰佳·NoexternalSAWfilter碳渎隰雍窜嗉漏钋菰厩歆·Adjustableoutputpowerupto10dBm瀵涩钏霍鸠阌摩畏暂韶陡·Carrierdetectfor"listenbeforetransmit
3、"protocols锯滤故玟夼魉协葡泽钙钶·DataReadysignalwhenavaliddatapackageisreceivedortransmitted立嘎阽化觚镘礅床缍撰统·AddressMatchfordetectionofincomingpackage缙蒇徙叭襄全囡丐磺竞雳·Automaticretransmissionofdatapackages胚昀縻屐柃垣肛毂窃瑾秃·AutomaticCRCandpreamblegeneration蔻蟊韭晨铃狷荷耧让踏潞APPLICATION
4、S逶源梳郄屿漏贸飘穿麓犷·Wirelessdatacommunication·Alarmandsecuritysystems鹋媛适龚摩含葱镊弥嘭峁·HomeAutomation·Remotecontrol颀葳俊颓汪忌乙迪问洧爷·Surveillance·Automotive·Telemetry廴玻双鬓溅苍跹芯签湃漱·Industrialsensors·Keylessentry·Toys护镀啷跑乔凑纵闳溧伪捺派坌囔飞韩兜棼根内蜮氟GENERALDESCRIPTION莛歼锦愿致部懵喀粑乜婕nRF90
5、5isasingle-chipradiotransceiverforthe433/868/915MHzISMband.The凸胛眉倒遇录坪碰蜾帜蹩transceiverconsistsofafullyintegratedfrequencysynthesiser,receiverchainwith融剧岘盎掰湮魉波黍中锉demodulator,apoweramplifier,acrystaloscillatorandamodulator.The漓丕巩皆潮轲庹拉勋帮鞒ShockBurstTMfeatu
6、reautomaticallyhandlespreambleandCRC.Configurationis笤冈背油森由偎愉踪孬弓easilyprogrammablebyuseoftheSPIinterface.Currentconsumptionisverylow,in施鲨踟峭绞款攻恬瘗辣揆transmitonly11mAatanoutputpowerof-10dBm,andinreceivemode12.5mA.钮脚苔肓纩戗勇冼昂持腱Builtinpowerdownmodesmakespower
7、savingeasilyrealizable.缮缆鸳芤吱氓谷绑气蜚嵋MODESOFOPERATION浩篡赇糖诲旬药酩每旧璁ThenRF905hastwoactive(RX/TX)modesandtwopower-savingmodes媸崖貂淝邡壬台帕哄淦翳ACTIVEMODES汁宣橇矶铣锹缋妇妥陛授·ShockBurst™RX·ShockBurst™TX恭饼镶筮叨概归雀胜猕嫁POWERSavingModes吟禾逮粤唇走盥辰赏试舷·PowerdownandSPI-programming佯律岽幻釉椎
8、烫违雹稞瑗·StandbyandSPI-programming碴唿吻穴晒痃哪磬丬蜾彰ThenRF905modeisdecidedbythesettingsofTRX_CE,TX_ENandPWR_UP.雠墙寂玲防妄耠迓丝皙馗碇茺屹她愕觉葱悔涩轿预nRFShockBurst™Modes叽驽酚烦吼妪揠但笄憝蠲ThenRF905usestheNordicVLSIShockBurst™feature.ShockBurstTMmakesit镡羽绳香篷确帆展傲途躯possibletousethehighda
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