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AMS draft 1 standard open for review

Posted: 05 Dec 2008     Print Version  Bookmark and Share

Keywords:AMS draft  SystemC  analogue/mixed-signal  language reference manual 

The Open SystemC Initiative (OSCI) has announced the release of the first draft standard of the SystemC Analogue/Mixed-Signal (AMS) extensions. The AMS draft 1 standard proposes the first definitions for the design and modelling of embedded analogue/mixed-signal systems at higher levels of abstraction, such as those found in telecommunication, automotive and imaging sensor applications.

The standard is available for download under open-source licence at SystemC website. The kit includes the AMS draft language reference manual (LRM), the requirements specification, a whitepaper introducing the AMS language constructs, and a first example showing the basic capabilities of the AMS extensions. A public review period of the AMS draft 1 standard is open through March 31, 2009. Feedback can be submitted at the Discussion Forum site.

Designed for use with IEEE Std. 1666-2005, "Standard SystemC Language Reference Manual," the AMS draft 1 standard proposes new class libraries layered on top of the SystemC standard with focused AMS system-level modelling and simulation capabilities. These dedicated libraries provide features which can be applied in combination with digitally oriented ESL design methods. The AMS draft language reference manual details these new language constructs by proposing predefined modules, interfaces, channels and ports, and introducing new execution semantics for efficient simulation of discrete- and continuous-time behaviour.

The AMS standard is under development by the OSCI AMS Working Group formed in 2006 with the objective to define a rich set of modelling styles for the design and verification of AMS systems. Different modelling concepts based on data-flow and signal-flow models of computation are proposed, including linear electrical networks to efficiently simulate analogue descriptions. The AMS class libraries facilitate system-level design at different levels of abstraction for use cases such as functional modelling, architecture exploration, integration validation and virtual prototyping.

-Gabe Moretti
EDA DesignLine

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