1、 IEC 62531 Edition 2.0 2012-06 INTERNATIONAL STANDARD Property Specification Language(PSL)IEC 62531:2012(E)IEEE Std 1850-2010 IEEE Std 1850 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution
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10、uters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC 62531Edition 2.0 2012-06INTERNATIONAL STANDARD Property Specification Language(PSL)INTERNATIONAL ELECTROTECHNICAL COMMISSION XHICS 25.040;35.060 PRICE
11、CODEISBN 978-2-83220-106-0 Warning!Make sure that you obtained this publication from an authorized distributor.IEEE Std 1850Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Unc
12、ontrolled when printed.Copyright 2010 IEEE.All rights reserved.ixContents1.Overview.11.1 Scope.11.2 Purpose.11.2.1Background.21.2.2Motivation.21.2.3Goals.21.3 Usage.21.3.1Functional specification.31.3.2Functional verification.32.Normative references.73.Definitions,acronyms,and abbreviations.93.1 Def
13、initions.93.2 Acronyms and abbreviations.123.3 Special terms.124.Organization.154.1 Abstract structure.154.1.1Layers.154.1.2Flavors.154.2 Lexical structure.164.2.1Identifiers.164.2.2Keywords.164.2.3Operators.174.2.4Macros.224.2.5Comments.244.3 Syntax.244.3.1Conventions.244.3.2HDL dependencies.254.4
14、Semantics.294.4.1Clocked vs.unclocked evaluation.294.4.2Safety vs.liveness properties.304.4.3Linear vs.branching logic.304.4.4Simple subset.304.4.5Finite-length vs.infinite-length behavior.314.4.6The concept of strength.315.Boolean layer.335.1 Expression type classes.335.1.1Bit expressions.335.1.2Bo
15、olean expressions.345.1.3BitVector expressions.355.1.4Numeric expressions.355.1.5String expressions.365.2 Expression forms.365.2.1HDL expressions.36 ii IEC 62531:2012 IEEE Std 1850-2010 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Ma
16、dison.No further reproduction or distribution is permitted.Uncontrolled when printed.5.2.2PSL expressions.395.2.3Built-in functions.395.2.4Union expressions.455.3 Clock expressions.455.4 Default clock declaration.476.Temporal layer.496.1 Sequential expressions.506.1.1Sequential Extended Regular Expressions(SEREs).506.1.2Sequences.576.2 Properties.636.2.1FL properties.636.2.2Optional Branching Extension(OBE)properties.846.2.3Replicated properties.906.3 Local variables.936.4 Procedural blocks.
