ds18b20数字式温度传感器毕业论文中英文资料外文翻译文献

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1、外文翻译（原文）中英文资料外文翻译文献TheintroductiontoTheDS18B201.DESCRIPTIONTheDS18B20digitalthermometerprovides9-bitto12-bitCelsiustemperaturemeasurementsandhasanalarmfunctionwithnonvolatileuserprogrammableupperandlowertriggerpoints.TheDS18B20communicatesovera1-Wirebusthatbydefinitionrequiresonlyoneda

2、talineforcommunicationwithacentralmicroprocessor.Ithasanoperatingtemperaturerangeof-55°Cto+125°Candisaccurateto±0.5°Covertherangeof-10°Cto+85°C.Inaddition,theDS18B20canderivepowerdirectlyfromthedataline(“parasitepower”),eliminatingtheneedforanexternalpowersupply.EachDS18B20hasaunique64

3、-bitserialcode,whichallowsmultipleDS18B20stofunctiononthesame1-Wirebus.Thus,itissimpletouseonemicroprocessortocontrolmanyDS18B20sdistributedoveralargearea.ApplicationsthatcanbenefitfromthisfeatureincludeHVACenvironmentalcontrols,temperaturemonitoringsystemsinsidebuildings,equipment,orm

4、achinery,andprocessmonitoringandcontrolsystems.2.FEATURESlUnique1-Wire®InterfaceRequiresOnlyOnePortPinforCommunicationlEachDevicehasaUnique64-BitSerialCodeStoredinanOn-BoardROMlMulti-dropCapabilitySimplifiesDistributedTemperature-SensingApplicationslRequiresNoExternalComponents25外文翻译（原

5、文）lCanBePoweredfromDataLine;PowerSupplyRangeis3.0Vto5.5VlMeasuresTemperaturesfrom-55°Cto+125°C(-67°Fto+257°F)l±0.5°CAccuracyfrom-10°Cto+85°ClThermometerResolutionisUserSelectablefrom9to12BitslConvertsTemperatureto12-BitDigitalWordin750ms(Max)lUser-DefinableNonvolatile(NV)AlarmSettingsl

6、AlarmSearchCommandIdentifiesandAddressesDevicesWhoseTemperatureisOutsideProgrammedLimitslSoftwareCompatiblewiththeDS1822lApplicationsIncludeThermostaticControls,IndustrialSystems,ConsumerProducts,Thermometers,orAnyThermallySensitiveSystem3.OVERVIEWFigure1showsablockdiagramoftheDS18B20,

7、andpindescriptionsaregiveninthePinDescriptiontable.The64-bitROMstoresthedevice’suniqueserialcode.Thescratchpadmemorycontainsthe2-bytetemperatureregisterthatstoresthedigitaloutputfromthetemperaturesensor.Inaddition,thescratchpadprovidesaccesstothe1-byteupperandloweralarmtriggerregiste