The current release is IEEE As a reaction to the Power Forward Initiative the group was proposed in July and met on September 13, The standard describes extensions to the Tool Command Language Tcl : commands and arguments for annotating a design hierarchy which has been read into a tool. Semantics for inferring additional elements in the design from the intent are provided in the standard.
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P - Draft Standard for Design and Verification of Low Power, Energy Aware Electronic Systems This standard defines the syntax and semantics of a format used to express power intent in energy aware electronic system design. Power intent includes the concepts and information required for specification and validation, implementation and verification, and modelling and analysis of power managed electronic systems.
This standard also defines the relationship between the power intent captured in this format and design intent captured via other formats e. Although this is obvious when stated, today? This standard provides an HDL-independent way of annotating a design with power intent. In addition, the level-shifting and isolation between power domains may be described for a specific implementation, from high-level constraints to particular configurations.
When the logic in a power domain receives different power supply levels, the logic state of portions of the design may be preserved with various state-retention strategies. This standard provides mechanisms for the refined and specific description of intent, effect, and implementation of various retention strategies. Incorporating components into designs is greatly assisted by the encapsulation and specification of the characteristics of the power environment of the design and the power requirements and capabilities of the components; this information encapsulation mechanism is also described in this standard.
The analysis of the various power modes of a design is enabled with a combination of the description of the power modes and the collection, generation, and propagation of switching information. The method supports incremental refinement of power intent specifications required for IP-based design flows. Thanks to our sponsor, the PDF of this standard is provided to the public no charge. The method supports incremental refinement of power-intent specifications required for IP-based design flows.
In addition this amendment also specifies a few changes and enhancements to remove some ambiguities and inconsistencies related to the semantics of power states, power supplies, precedence rules, and location of power management cells.
IEEE 1801 UPF PDF
Unified Power Format
Dirg A number of features have been added to better support design reuse and commercial IP, including the ability to set constraints on usage. Attempting to create power domains inside an atomic domain will generate an error in compliant tools. This page was last edited on 18 Novemberat Accellera public groups area. Hardware iCE Stratix Virtex. Retrieved August 7, uupf Where can I find it?
Latest version of IEEE 1801/UPF available for free