Low power bus encoding technique considering coupling effects

H. W. Lin, K. C. Wei

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, we propose a bus encoding scheme to minimize coupling effects which cause significant power consumption in the on-chip interconnects. The proposed bus encoding scheme consist in silencing the middle two data lines of each subset which consists of 4-bit. We present a technique to eliminate correlated switching in the 4-bit data lines and also minimize self-transitions in these data lines. Experimental results indicate that the presented bus encoding scheme reduces the number of self-transitions by 20% and it also increases the number of silent lines by 9%. In addition, it reduces the power dissipation by 46% compared Bus-Invert method.

Original languageEnglish
Title of host publicationIMECS 2007 - International MultiConference of Engineers and Computer Scientists 2007
Pages439-442
Number of pages4
Publication statusPublished - 2007 Dec 1
EventInternational MultiConference of Engineers and Computer Scientists 2007, IMECS 2007 - Kowloon, Hong Kong
Duration: 2007 Mar 212007 Mar 23

Other

OtherInternational MultiConference of Engineers and Computer Scientists 2007, IMECS 2007
CountryHong Kong
CityKowloon
Period07-03-2107-03-23

Fingerprint

Energy dissipation
Electric power utilization

All Science Journal Classification (ASJC) codes

  • Computer Science (miscellaneous)

Cite this

Lin, H. W., & Wei, K. C. (2007). Low power bus encoding technique considering coupling effects. In IMECS 2007 - International MultiConference of Engineers and Computer Scientists 2007 (pp. 439-442)
Lin, H. W. ; Wei, K. C. / Low power bus encoding technique considering coupling effects. IMECS 2007 - International MultiConference of Engineers and Computer Scientists 2007. 2007. pp. 439-442
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title = "Low power bus encoding technique considering coupling effects",
abstract = "In this paper, we propose a bus encoding scheme to minimize coupling effects which cause significant power consumption in the on-chip interconnects. The proposed bus encoding scheme consist in silencing the middle two data lines of each subset which consists of 4-bit. We present a technique to eliminate correlated switching in the 4-bit data lines and also minimize self-transitions in these data lines. Experimental results indicate that the presented bus encoding scheme reduces the number of self-transitions by 20{\%} and it also increases the number of silent lines by 9{\%}. In addition, it reduces the power dissipation by 46{\%} compared Bus-Invert method.",
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year = "2007",
month = "12",
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Lin, HW & Wei, KC 2007, Low power bus encoding technique considering coupling effects. in IMECS 2007 - International MultiConference of Engineers and Computer Scientists 2007. pp. 439-442, International MultiConference of Engineers and Computer Scientists 2007, IMECS 2007, Kowloon, Hong Kong, 07-03-21.

Low power bus encoding technique considering coupling effects. / Lin, H. W.; Wei, K. C.

IMECS 2007 - International MultiConference of Engineers and Computer Scientists 2007. 2007. p. 439-442.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - In this paper, we propose a bus encoding scheme to minimize coupling effects which cause significant power consumption in the on-chip interconnects. The proposed bus encoding scheme consist in silencing the middle two data lines of each subset which consists of 4-bit. We present a technique to eliminate correlated switching in the 4-bit data lines and also minimize self-transitions in these data lines. Experimental results indicate that the presented bus encoding scheme reduces the number of self-transitions by 20% and it also increases the number of silent lines by 9%. In addition, it reduces the power dissipation by 46% compared Bus-Invert method.

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Lin HW, Wei KC. Low power bus encoding technique considering coupling effects. In IMECS 2007 - International MultiConference of Engineers and Computer Scientists 2007. 2007. p. 439-442