GB9016114D0 - A method of,and system for,altering the rate at which digital circuitry operates - Google Patents

A method of,and system for,altering the rate at which digital circuitry operates

Info

Publication number
GB9016114D0
GB9016114D0 GB909016114A GB9016114A GB9016114D0 GB 9016114 D0 GB9016114 D0 GB 9016114D0 GB 909016114 A GB909016114 A GB 909016114A GB 9016114 A GB9016114 A GB 9016114A GB 9016114 D0 GB9016114 D0 GB 9016114D0
Authority
GB
United Kingdom
Prior art keywords
altering
rate
digital circuitry
circuitry operates
operates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB909016114A
Other versions
GB2246455A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Priority to GB9016114A priority Critical patent/GB2246455A/en
Publication of GB9016114D0 publication Critical patent/GB9016114D0/en
Publication of GB2246455A publication Critical patent/GB2246455A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/08—Clock generators with changeable or programmable clock frequency
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
GB9016114A 1990-07-23 1990-07-23 Altering the rate at which digital circuitry operates Withdrawn GB2246455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9016114A GB2246455A (en) 1990-07-23 1990-07-23 Altering the rate at which digital circuitry operates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9016114A GB2246455A (en) 1990-07-23 1990-07-23 Altering the rate at which digital circuitry operates

Publications (2)

Publication Number Publication Date
GB9016114D0 true GB9016114D0 (en) 1990-09-05
GB2246455A GB2246455A (en) 1992-01-29

Family

ID=10679497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9016114A Withdrawn GB2246455A (en) 1990-07-23 1990-07-23 Altering the rate at which digital circuitry operates

Country Status (1)

Country Link
GB (1) GB2246455A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2507833B2 (en) * 1990-12-25 1996-06-19 三菱電機株式会社 Micro computer
US5254888A (en) * 1992-03-27 1993-10-19 Picopower Technology Inc. Switchable clock circuit for microprocessors to thereby save power
US5546037A (en) * 1993-11-15 1996-08-13 Cirrus Logic, Inc. NAPNOP circuit for conserving power in computer systems
NO304626B1 (en) * 1996-12-19 1999-01-18 Ericsson Telefon Ab L M Procedure for reducing noise
US6070248A (en) * 1997-12-12 2000-05-30 Advanced Micro Devices, Inc. Generation of a stable reference clock frequency from a base clock frequency that may vary depending on source
JP2000122747A (en) 1998-10-12 2000-04-28 Nec Corp Device and method for controlling digital signal processing part
US7017060B2 (en) 2001-03-19 2006-03-21 Intel Corporation Power management system that changes processor level if processor utilization crosses threshold over a period that is different for switching up or down
CN100470656C (en) 2003-10-31 2009-03-18 宇田控股有限公司 Method and device for generating wobble clock signal
GB2411267B (en) * 2003-10-31 2006-03-15 Via Tech Inc Power-saving control circuitry of electronic device and operating method thereof
CN101452337A (en) * 2008-12-18 2009-06-10 北京中星微电子有限公司 Control method and device for peripheral equipment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922526A (en) * 1973-02-02 1975-11-25 Texas Instruments Inc Driver means for lsi calculator to reduce power consumption
GB1450324A (en) * 1974-04-02 1976-09-22 Burroughs Corp Monitor apparatus for altering the sequencing speed of a data processor
EP0162870B1 (en) * 1983-11-07 1993-08-04 Motorola, Inc. Synthesized clock microcomputer with power saving
GB2192295B (en) * 1984-06-18 1988-11-23 Logica Computer system
US4851987A (en) * 1986-01-17 1989-07-25 International Business Machines Corporation System for reducing processor power consumption by stopping processor clock supply if a desired event does not occur
JPS62166419A (en) * 1986-01-17 1987-07-22 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Multifrequency clock generator
GB2194082A (en) * 1986-08-18 1988-02-24 Philips Nv Data processing apparatus with energy saving clocking device

Also Published As

Publication number Publication date
GB2246455A (en) 1992-01-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)