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- Deb, Abhijit Kumar, et al.
(författare)
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Hardware software codesign of DSP system using grammar based approach
- 2001
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Ingår i: VLSI Design, 2001. Fourteenth International Conference on. ; , s. 42-47
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Konferensbidrag (refereegranskat)abstract
- Embedded cores are gaining widespread use to deal with the complex DSP systems where flexibility is of utmost importance. The design of such a system offers several problems, which are not addressed by the existing methodology. The authors previously presented an integrated grammar based DSP design methodology that separates architectural and functional specification, can create a virtual prototype and has a smooth link to the implementation phase. In this paper we present the extension of the work to handle embedded cores. Here we the capture the host peripheral interface (HPI) of TMS320C6x core at higher level of abstraction and provide a single simulation environment, which facilitates faster analysis of hardware software components. Our results reveal that the proposed methodology offers simulation time speed-up of 5 times and design time speed-up of 8 times, while keeping the architectural specification separated from functionality
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- Hemani, Ahmed
(författare)
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Charting the EDA roadmap
- 2004
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Ingår i: IEEE Circuits & Devices. - 8755-3996 .- 1558-1888. ; 20, s. 5-10
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Tidskriftsartikel (refereegranskat)abstract
- Moore’s law has been the guiding principle for defining the semiconductor roadmap ever since it was proposed in 1965. This article examines and proposes a law that plays the role of Moore’s law in the very large-scale integration (VLSI) computer-aided design (CAD) field. This article also examines the difference in nature of semiconductor productivity and design productivity.
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- Hemani, Ahmed, et al.
(författare)
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System level virtual prototyping of DSP SOCs using grammar based approach
- 2000
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Ingår i: Design automation for embedded systems. - 0929-5585 .- 1572-8080. ; 5:04-mar, s. 295-311
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Tidskriftsartikel (refereegranskat)abstract
- As we move from algorithm on a chip to system on a chip era, the design bottleneck is shifting from individual DSP functions to global control that composes a system from these functions. The practice in industry suffers from global control entering the design flow too late, discontinuity between functional modeling and implementation phase and mixing data flow with global control. MASIC-Maths to ASIC-is a methodology proposed in this paper that targets DSP SOCs and addresses these issues. Global control is specified in a grammar notation and integrates the output of functional modeling phase, the DSP functions, by referencing them. A virtual prototype is automatically built from such a specification that models the global control in VHDL and cosimulates with the DSP functions in C from the functional modeling phase. A highly efficient verification methodology based on separating the verification of global control from DSP functions is proposed. A smooth path to cycle true implementation is possible using either behavioral synthesis, IPs for the DSP functions or manual implementation. Experiments using realistic examples like GSM base band processing, rake receiver and some smaller examples have been carried out to quantify the benefits of MASIC.
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- Jantsch, Axel, et al.
(författare)
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A metamodel for studying concepts in electronic system design
- 2000
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Ingår i: IEEE Design & Test of Computers. - : IEEE Press. - 0740-7475 .- 1558-1918. ; 17:3, s. 78-85
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Tidskriftsartikel (refereegranskat)abstract
- By using the four domains of computation, data, communication, and time, this model can represent mixed hardware/software designs and related co-design processes at various levels of abstraction.
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