1、 IEC 61691-1-1 Edition 2.0?2011-0?INTERNATIONAL STANDARD Behavioural languages Part 1-1:VHDL Language Reference Manual IEC 61691-1-1:2011(E)IEEE Std 1076-2008 IEEE Std 1076 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No furt
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10、l licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC 61691-1-1Edition 2.0?2011-05INTERNATIONAL STANDARD Behavioural languages Part 1-1:VHDL Language Reference Manual INT
11、ERNATIONAL ELECTROTECHNICAL COMMISSION XSICS 25.040/35.060 PRICE CODEISBN 978-2-88912-440-4 IEEE Std 1076Copyrighted 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.Uncontrolled when prin
12、ted.Copyrighted 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.Uncontrolled when printed.-i-IEC 61691-1-1:2011(E)?IEEE Std 1076-2008Published by IEC under license from IEEE.2008 IEEE.All
13、 rights reserved.Contents1.Overview of this standard.11.1 Scope.11.2 Purpose.11.3 Structure and terminology of this standard.22.Normative references.53.Design entities and configurations.73.1 General.73.2 Entity declarations.73.3 Architecture bodies.103.4 Configuration declarations.134.Subprograms a
14、nd packages.194.1 General.194.2 Subprogram declarations.194.3 Subprogram bodies.234.4 Subprogram instantiation declarations.264.5 Subprogram overloading.264.6 Resolution functions.294.7 Package declarations.304.8 Package bodies.314.9 Package instantiation declarations.334.10 Conformance rules.345.Ty
15、pes.355.1 General.355.2 Scalar types.365.3 Composite types.445.4 Access types.535.5 File types.555.6 Protected types.585.7 String representations.616.Declarations.636.1 General.636.2 Type declarations.646.3 Subtype declarations.646.4 Objects.666.5 Interface declarations.736.6 Alias declarations.896.
16、7 Attribute declarations.926.8 Component declarations.936.9 Group template declarations.936.10 Group declarations.936.11 PSL clock declarations.94Copyrighted 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.Uncontrolled when printed.IEC 61691-1-1:2011(E)-ii-?IEEE Std 1076-2008Published by IEC under license from IEEE.2008 IEEE.All rights reserved.7.Specifications.957.1 General.957.