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Full Description


This standard describes an eXtensible Markup Language (XML) schema1 for meta-data documenting intellectual property (IP) used in the development, implementation, and verification of electronic systems and an application programming interface (API) to provide tool access to the meta-data. This schema provides a standard method to document IP that is compatible with automated integration techniques.The API provides a standard method for linking tools into a system development framework, enabling a more flexible, optimized development environment. Tools compliant with this standard will be able to interpret,configure, integrate, and manipulate IP blocks that comply with the IP meta-data description. The standard is based on version 1.4 IP-XACT of The SPIRIT Consortium. The standard is independent of any specific design processes. It does not cover those behavioral characteristics of the IP that are not relevant to integration.


This standard enables the creation and exchange of IP in a highly automated design environment.


New IEEE Standard - Superseded. Conformance checks for extensible Markup Language (XML) data designed to describe electronic systems are formulated by this standard. The meta-data forms that are standardized include: components, systems, bus interfaces and connections, abstractions of those buses, and details of the components including address maps, register and field descriptions, and file set descriptions for use in automating design, verification, documentation, and use flows for electronic systems. A set of XML schemas of the form described by the World Wide Web Consortium (W3C¿¿) and a set of semantic consistency rules (SCRs) are included. A generator interface that is portable across tool environments is provided. The specified combination of methodology-independent meta-data and the tool-independent mechanism for accessing that data provides for portability of design data, design methodologies, and environment implementations.

Document History

  1. IEEE 1685-2014

    IEEE Standard for IP-XACT, Standard Structure for Packaging, Integrating, and Reusing IP within Tool Flows

    • Most Recent
  2. IEEE 1685-2009


    IEEE Standard for IP-XACT, Standard Structure for Packaging, Integrating, and Reusing IP within Tool Flows

    • Historical Version