外文文献资料.doc

外文文献资料.doc外文文献资料收集:苏州大学应用技术学院10电子(学号1016405020)郝传丽BasedonSCMmulti-functionaltemperatureandhumiditytestingsystemdesignPrefaceTemperatureandhumidityisanimportantphysicsparameteTofhumansocialenvironment,thehumansurvivalandthesocialactivityandthetemperatureandhumidityarecloselyrelated,manyapplicati011sinhuman1ife,nomatteristhepreservationofbooks,orwarehousemanagement,whetheritisindustrialproduction,orliving,humanbeingshavecertainrequirementsfortemperatureandhumidityintheenvironment,,wetheenvironmentaitemperatureandhumidityinthedetectionandcontrolisparticularlyimportant,,thehardwarecircuitincludingpowersupplycircuit,sensor,thetemperaturedisplaycircuitcircuit,upperalarmcircuit•Thealarmingcircuitcanbemeasuredinuppertemperaturerange,:whenthetemperaturesignalacquisitiontoaftertemperaturesignalsenttohandle,AT89C51temperaturetoLCDscreen,ordingtoinitializetheuppertemperaturesetting,-power,high-performanceCMOS8-pliterwith4KbytesofFlashprogrammableanderasablereadonlymemory(PEROM)and128bytesofdatarandom-accessmemory(RAM)•ThedeviceismanufacturedusingATMELCo.,shigh-patiblewiththeindustr^^-standardMCS-51instructionsetandpin--chipFlashallowstheprogrammemorytobereprogrammedin-~hip,theATMELCo.'puterwhichprovidesahighly-flexibleandcost-:4KbytesofFlashmemory,128bytesofRAM,32T/01ines,two16-bittimer/counters,afivevectortwo-levelinterruptarchitecture,afullduplexserialport,on-,theAT89C51isdesignedwithstaticlogicforoperationdowntozerofr