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ID:47888458
大小:47.00 KB
页数:5页
时间:2019-10-18
《单片机外文翻译外文文献英文文献单片机的发展(宝典)》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、THEDEVELOPMENTOFSINGLE-CHIPFirstthedevelopmenttrendofsingle-chipItcanbesaidnowisasingle-chipopinionsoftheperiodtheworldsmajorchipmanufacturingcompanieshaveintroducedtheirownsingle-chipfromthe816-32justtonameafeweverythingitiscompatiblewithmainstreamC51seriesoft
2、herearenotcompatiblebuttheyowneachotherintoeachotherforSCMapplicationsworldwide.Throughoutthedevelopmentprocessofsingle-chipyoucanindicatethedevelopmenttrendofsingle-chipgenerallyare:1.Low-powerCMOStechnologyMCS-51seriesof8031introducedthepowerconsumptionof630m
3、Wandnowwidespreadinthesingle-chip100mWorsowiththegrowingdemandforlow・powersingle-chipandnowallthebasicsingle-chipmanufacturersareuseofCMOScomplementarymetaloxidesemiconductorprocess.Asthe80C51ontheuseofHMOShighdensitymetaloxidesemiconductorprocessandCHMOShigh-d
4、ensitycomplementarymetaloxidesemiconductorprocess.AlthoughtheCMOSlowpowerconsumptionbutbecauseofitsphysicalcharacteristicstodetermineitsspeedisnothighenoughandthenCHMOSwithhigh-speedandlowpowerconsumptioncharacteristicsofthesefeaturesitismoresuitableinlowpowerc
5、onsumptionasbattery-poweredapplications.Thereforetheprocessforsometimetocomewillbethemainwaytodevelopsingle-chip2.Ofmicro-chipNowaregenerallyinconventionalsingle-chipwillbethecentralprocessingunitCPUrandomaccessdatastorageRAMread-onlyprogrammemoryROMparalleland
6、serialcommunicationinterfacesysteminterruptiontimingcircuitsintegratedcircuitclockinasinglechipenhancedsingle-chipintegrationsuchasA/DconverterPMWpulsewidthmodulationcircuitWDTwatchdogandsomewillbesingle-chipLCDLCDdriverintegratedcircuitsareinasinglechipthisuni
7、tincludessingle-chipcircuitsonmoreandmorepowerfulfeatures.Evensingle-chipmanufacturerscanalsobetailoredinaccordancewiththerequirementsofuserstocreateasinglechipwithitsownchipcharacteristics.Inadditiontheproductisnowtheuniversaldemandofsmallsizelightweightwhichr
8、equiresinadditiontopowerfulsingle-chipandlowpowerconsumptionbutalsoitssmallersize.Manynowhaveavarietyofsingle-chippackagewhichSMDsurfacemountisgainingpopularitymakingthesyst
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