1SEMIE5-0709©SEMI1982,2009SEMIE5-0709SEMIEQUIPMENTCOMMUNICATIONSSTANDARD2MESSAGECONTENT(SECS-II)ThisstandardwastechnicallyapprovedbytheglobalInformation&ControlCommittee.ThiseditionwasapprovedforpublicationbytheglobalAuditsandReviewsSubcommitteeonMay13,2009.Itwasavailableatwww.semi.orginJune2009andonCD-ROMinJuly2009.Originallypublished1982;previouslypublishedNovember2008.NOTICE:Theuser’sattentioniscalledtothepossibilitythatsomeimplementationsofthisstandard,particularlythoserelatedtotheuseofStream4,mayinvolvetheuseofinventionscoveredbyU.S.patents4,884,674and5,216,613,andbyotherpatentsissuedorpending,heldbyTexasInstrumentsIncorporated.Bypublicationofthisstandard,SEMItakesnopositionrespectingeithertheapplicabilityorthevalidityoftheseorotherpatentrightsassertedinconnectionwithanyitemmentionedinthisstandard.Usersofthisstandardareexpresslyadvisedthatdeterminationofanysuchpatentrightsandtheriskofinfringementofsuchrights,areentirelytheirownresponsibility.TableofContents1Purpose.........................................................................................................................................................................32Scope............................................................................................................................................................................33Limitations...................................................................................................................................................................34ReferencedStandardsandDocuments..........................................................................................................................35Terminology.................................................................................................................................................................46TheMessageTransferProtocol....................................................................................................................................56.1Intent.....................................................................................................................................................................56.2Message.................................................................................................................................................................56.3BlockingRequirements..........................................................................................................................................56.4MessageHeader....................................................................................................................................................56.5TransactionTimeout..............................................................................................................................................56.6MultipleOpenTransactions..................................................................................................................................67StreamsandFunctions..................................................................................................................................................67.1Streams................................................................................................................................................................
