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Mixed RTL and gate-level power estimation with low power design iteration
Linköping University, Department of Electrical Engineering.
2003 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Lågeffektsestimering på kombinerad RTL- och grind-nivå med lågeffekts design iteration (Swedish)
Abstract [en]

In the last three decades we have witnessed a remarkable development in the area of integrated circuits. From small logic devices containing some hundred transistors to modern processors containing several tens of million transistors. However, power consumption has become a real problem and may very well be the limiting factor of future development. Designing for low power is therefore increasingly important. To accomplice an efficient low power design, accurate power estimation at early design stage is essential. The aim of this thesis was to set up a power estimation flow to estimate the power consumption at early design stage. The developed flow spans over both RTL- and gate-level incorporating Mentor Graphics Modelsim (RTL-level simulator), Cadence PKS (gate- level synthesizer) and own developed power estimation tools. The power consumption is calculated based on gate-level physical information and RTL- level toggle information. To achieve high estimation accuracy, real node annotations is used together with an own developed on-chip wire model to estimate node voltage swing.

Since the power estimation may be very time consuming, the flow also includes support for low power design iteration. This gives efficient power estimation speedup when concentrating on smaller sub- parts of the design.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2003. , 67 p.
LiTH-ISY-Ex, 3296
Keyword [en]
Datorteknik, power estimation, RTL power estimation, gate-level power estimation, low power design iteration, Cadence PKS, Mentor Graphics Modelsim
Keyword [sv]
National Category
Computer Engineering
URN: urn:nbn:se:liu:diva-1685OAI: diva2:19009
Available from: 2003-04-11 Created: 2003-04-11

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