欢迎来到天天文库
浏览记录
ID:15374235
大小:148.50 KB
页数:14页
时间:2018-08-03
《嵌入式系统词汇表英文版》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、嵌入式系统词汇表AASICApplication-SpecificIntegratedCircuit.Apieceofcustom-designedhardwareinachip.addressbusAsetofelectricallinesconnectedtotheprocessorandalloftheperipheralswithwhichitcommunicates.Theaddressbusisusedbytheprocessortoselectaspecificmemorylocationorregisterwith
2、inaparticularperipheral.Iftheaddressbuscontainsnelectricallines,theprocessorcanuniquelyaddressupto2^nsuchlocations.applicationsoftwareDescribessoftwaremodulesspecifictoaparticularembeddedproject.Theapplicationsoftwareisunlikelytobereusableacrossembeddedplatforms,simpl
3、ybecauseeachembeddedsystemhasadifferentapplication.assemblerAsoftwaredevelopmenttoolthattranslateshuman-readableassemblylanguageprogramsintomachine-languageinstructionsthattheprocessorcanunderstandandexecute.assemblylanguageAhuman-readableformofaprocessor'sinstruction
4、set.Mostprocessor-specificfunctionsmustbewritteninassemblylanguage.BBSPSeeboardsupportpackage.binarysemaphoreAtypeofsemaphorewithjusttwostates.Alsocalledamutex.boardsupportpackagePartofasoftwarepackagethatisprocessororplatform-dependent.Typically,samplesourcecodeforth
5、eboardsupportpackageisprovidedbythepackagedeveloper.Thesamplecodemustbemodifiedasnecessary,compiled,andlinkedwiththeremainderofthesoftwarepackage.bond-outprocessorAspecialversionofaprocessorthathassomeoftheinternalsignalsbroughtouttoexternalpins.Abond-outprocessorismo
6、stoftenfoundwithinanemulatorandisneverintendedtobeusedinaproductionsystem.breakpointAlocationinaprogramatwhichexecutionistobestoppedandcontroloftheprocessorswitchedtothedebugger.Mechanismsforcreatingandremovingbreakpointsareprovidedbymostdebuggingtools.CCISCComplexIns
7、tructionSetComputer.Describesthearchitectureofaprocessorfamily.CISCprocessorsgenerallyfeaturevariable-lengthinstructions,multipleaddressingformats,andcontainonlyasmallnumberofgeneral-purposeregisters.Intel's80x86familyisthequintessentialexampleofCISC.ContrastwithRISC.
8、CPUCentralProcessingUnit.Thepartofaprocessorthatexecutesinstructions.compilerAsoftwaredevelopmenttoolthattranslateshigh-leve
此文档下载收益归作者所有