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【英文标准名称】:Equipmentforworkingsoil;Tinesandshovelsforcultivators;Mainfixingdimensions
【原文标准名称】:土壤耕作设备中耕机的齿和铲主要安装尺寸
【标准号】:ISO5680-1979
【标准状态】:现行
【国别】:国际
【发布日期】:1979-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC23
【标准类型】:()
【标准水平】:()
【中文主题词】:整地机具;尺寸;叉;土地耕作;中耕机;农用设备;农业机械;犁;整地设备;机械工程
【英文主题词】:Agriculturalequipment;Cultivators;Dimensions;Mechanicalengineering;Ploughs;Soilcultivation;Soil-workingequipment;Tine
【摘要】:Specifiesthemainfixingdimensionsforinterchangeableshovelsdesignedtofittineswhichconformtoatypespecifiedinthisstandard.appliestothelowerportionoftinesforfixingofvarioustypesofshovelshavingaworkingwidthofupto400mm.Thefollowingfixingtypesarespecified:type1-onehole;-type2-twoholes;type3-twoholes,heavytype.
【中国标准分类号】:B91
【国际标准分类号】:65_060_20
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:InformationTechnology–MicroprocessorSystems–ControlandStatusRegisters(CSR)ArchitectureforMicrocomputerBuses
【原文标准名称】:信息技术.微处理机系统.微处理机总线的控制和状态登记(CSR)体系结构
【标准号】:ANSI/IEEE1212-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2002-05-02
【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】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;微处理机;建筑设计
【英文主题词】:Architecturaldesign;Computersoftware;CSRarchitecture;Datacommunication;Dataprocessing;Definition;Definitions;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Informationtransfer;Interfaces(dataprocessing);Microprocessorsystems;Microprocessors;Minicomputer;Network;Networkinterconnection;Personalcomputers;Read-onlymemory;Sizes
【摘要】:Thisisafull-usestandard,arevisionofISO/IEC13213:1994;itsscopereflectsaccumulatedexperiencewiththeCSRarchitecturesinceitwasfirstpromulgatedasastandardin1991.Intheinterveningyears,twobusstandards,ScaleableCoherentInterface(SCI),IEEEStd1596-199x,andSerialBus,IEEEStd1394-1995,havebeenthesourceofmostpracticalimplementationexperience.TherevisedscopeoftheCSRarchitectureisgivenbelow:a)Theoverallarchitecturalframeworkpartitionsthetotalavailableaddressspaceintoequalspacesavailabletoindividualnodes.Anode'saddressspaceisinturnpartitionedintoregionswhichhavedifferentusagemodels,e.g.,memoryspace,privatespaceforvendoruses,configurationROMandanI/Ospace(unitsspace)wheretransactionsmayhavesideeffects;b)Aminimaltransactionset(read,writeandlockrequestsandtheirassociatedcompletionresponses)requiredforcompliantbusstandards.Busbridgescompliantwiththisarchitecture,whetherinahomogeneousorheterogeneousenvironment,arealsoexpectedtotransportthistransactionset;c)Fundamentalcontrolandstatusregisters(CSRs)aredefinedtoprovideacommoninfrastructureforallcompliantbuses.Insomecasesthedetailsoftheregistersareentirelybus-dependentbutthefunctioniscommontoallcompliantbuses;d)MessagerequestandresponseCSRsarespecifiedtoenabledirecteddeliveryorbroadcastofmessagestomultiplenodes.Themessageformatpermitsorganizationsorvendorstodefinethemeaningofthedatapayloadwithouttheneedforacentralizedregistryofallpossibleformats;ande)ConfigurationROMprovidesself-descriptivedatastructuresthatpermitnodestouniformlycharacterizethedeviceservicesavailable.Thisiscriticalforbusesthatpermitliveinsertionandremovalofnodes;eachnewlyinsertednodecontainssufficientinformationforittobeuniquelyidentifiedandfortherequisitedevicedriverstobeloaded.AlthoughtheoriginalCSRarchitectureanticipatedwidespreaddevelopmentofbridgesbetweenheterogeneousbusstandardsandadiversityofaddressingmodes,bothfixedandvariable,nosuchimplementationshavebeenmade.Asaconsequence,themostsignificantchangesinscopebetweentheearlierCSRarchitectureandthisstandardaretheadoptionofasingle,fixedaddressingmodelandtheremovaloftutorialmaterialpertainingtothedesignofbridges.
【中国标准分类号】:L60
【国际标准分类号】:35_160
【页数】:
【正文语种】:英语