【英文标准名称】:Informationtechnology-8-bitbackplaneinterface:STEbusandmechanicalcorespecificationsformicrocomputers
【原文标准名称】:信息技术8位底板接口:微处理器用的STEbus和机械心线规范
【标准号】:ISO/IEC10859-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Communicationprocedures;Compatibility;Dataprocessing;Datatransfer;Definition;Definitions;Informationtechnology;Interfaces;Interfaces(dataprocessing);Microcomputers;Records;Systemconfiguration;8-bitcodedcharacterset;Protocols;Interfacesofelect
【摘要】:Theoveralllevelofperformancethatmaybeachievedbyanycomputersystemisdetermined,inlargepart,bythesystembusthatisusedtoeffectcommunicationbetweenthevarioussystemelements.Systemperformancecharacteristics,measuredintermsofspeed,reliability,suitabilitytoavarietyofpurposes,andadaptabilitytochangingtechnologyareultimatelydependentontheparticularbusstructurethatisusedanditsassociatedprotocols.ThisstandarddefinestheIEEEStd1000Bus,whichmaybeusedtoimplementgeneralpurpose,high-performance8-bitmicrocomputersystems.Suchasystemmaybeusedinastand-aloneconfiguration,orinlargermultiple-busarchitectures,asaprivate(orsecondary)busorahigh-speedI/Ochannel.ThisstandardisapplicabletothosesystemsandsystemelementswiththecommoncommercialdesignationSTEbus.Itisintendedforthoseuserswhoplantoevaluate,implement,ordesignvarioussystemelementsthatarecompatiblewiththeIEEE1000StdBussystemstructure.ThephysicalattributesandmethodofinterconnectutilizedbyboardsandmodulesconformingtothisstandardarederivedfromseveralInternationalElectrotechnicalCommission(IEC)standards.Thesestandards,whenimplementedjointlyinasystemsenvironment,resultinamechanicalconfigurationcommonlyreferredtoasEurocard.AppendixBlistssuchapplicablestandardswhich,wherereferenced,areconsideredasifincorporatedwiththisstandard.Inparticular,theconnectorusedbyIEEEStd1000Busboardsisa64-pinmaleconnectorutilizingtheoutsidetworows(designatedaandcrows),specifiedinIEC60603-2,andthematingfemaleconnectorisusedonIEEEStd1000Busbackplanes.TherecommendedsizeforIEEEStd1000Busboardsis100mm×160mm(3,937in×6,299in),commonlyreferredtoasasingleheightstandarddepthEurocard.TheIEEEStd1000Busstructureisbasedonthemaster-slaveconceptinwhichamaster,havinggainedcontrolofthebus,mayaddressandcommandslaves.Mastersandslavescommunicatewitheachotherbyuseofanasynchronousinterlockedhandshakeprotocol.Thistechniqueallowsfortheconstructionofcomputersystemsthatincorporatedevicesofwidelyvaryingspeeds.Multiplemastersmaybeimplementedwithinasinglesystem.Twoindependentaddressspacesaresupported:memoryandI/O.Memorytransactionsreferencea1megabytephysicaladdressspace,whileI/Otransactionsreferencea4kilobytephysicaladdressspace.Systemintegrityduringallsuchtransactionsisenhancedbyprovisionofatransfererrorsignal.Provisionismadeforinterboardconditionalertssuchasinterruptrequests,DMArequests,system-specificerrorconditions,orotherspecializedstatusconditions.Withinthisschemeeightprioritizedattentionrequestlevels,eachwithvectoredresponsecapability,areavailableforuserassignation.Thisstandarddealsonlywiththosecharacteristicsthatmustbespecifiedsoastoensurethesuccessfuldesignandimplementationofcompatibleboardsandsystems.Issuesrelatingtoindividualdesignspecifications,andperformanceorsafetyrequirementsarenotaddressed.
【中国标准分类号】:L60
【国际标准分类号】:35_160
【页数】:97P.;A4
【正文语种】:英语


【英文标准名称】:InformationSystems-ISORegistrationAccordingtoISO2375-ANSISponsorshipProcedures
【原文标准名称】:信息系统.根据ISO2375由ANSI主办的ISO注册程序
【标准号】:ANSIX3.83-1980
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: