TWI338833B - - Google Patents

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Publication number
TWI338833B
TWI338833B TW096109855A TW96109855A TWI338833B TW I338833 B TWI338833 B TW I338833B TW 096109855 A TW096109855 A TW 096109855A TW 96109855 A TW96109855 A TW 96109855A TW I338833 B TWI338833 B TW I338833B
Authority
TW
Taiwan
Prior art keywords
power supply
clock
supply voltage
supplied
selection
Prior art date
Application number
TW096109855A
Other languages
English (en)
Chinese (zh)
Other versions
TW200809485A (en
Inventor
Kenichi Kiyozaki
Original Assignee
Sanyo Electric Co
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 Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of TW200809485A publication Critical patent/TW200809485A/zh
Application granted granted Critical
Publication of TWI338833B publication Critical patent/TWI338833B/zh

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
    • 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
    • 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
    • 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
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
    • 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
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3209—Monitoring remote activity, e.g. over telephone lines or network connections
    • 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
    • G06F1/26—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
    • G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
    • 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)
  • Semiconductor Integrated Circuits (AREA)
TW096109855A 2006-03-23 2007-03-22 Integrated circuit and signal prosessing device using the same TW200809485A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006080796A JP4669803B2 (ja) 2006-03-23 2006-03-23 集積回路及びそれを用いた信号処理装置

Publications (2)

Publication Number Publication Date
TW200809485A TW200809485A (en) 2008-02-16
TWI338833B true TWI338833B (enExample) 2011-03-11

Family

ID=38557925

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096109855A TW200809485A (en) 2006-03-23 2007-03-22 Integrated circuit and signal prosessing device using the same

Country Status (5)

Country Link
US (1) US7664973B2 (enExample)
JP (1) JP4669803B2 (enExample)
KR (1) KR100972271B1 (enExample)
CN (1) CN101042610B (enExample)
TW (1) TW200809485A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102460889A (zh) * 2009-06-25 2012-05-16 惠普开发有限公司 用于输送功率的系统和方法
TWI428750B (zh) * 2010-12-30 2014-03-01 Via Tech Inc 處理裝置及操作系統
JP2012163446A (ja) * 2011-02-07 2012-08-30 Kawamura Electric Inc 電流測定器
US9037892B2 (en) 2011-04-13 2015-05-19 International Business Machines Corporation System-wide power management control via clock distribution network
US8724281B2 (en) 2012-04-25 2014-05-13 Apple Inc. Techniques for detecting removal of a connector
US8891216B2 (en) 2012-04-25 2014-11-18 Apple Inc. Techniques for detecting removal of a connector
EP2804073A1 (en) * 2013-05-15 2014-11-19 Giga-Byte Technology Co., Ltd. All-in-one computer and power management method thereof
US9032117B2 (en) * 2013-07-10 2015-05-12 Cisco Technology, Inc. Active cable with display
CN104007977A (zh) * 2014-06-09 2014-08-27 威盛电子股份有限公司 电子装置及音频播放方法
KR102576430B1 (ko) * 2016-11-18 2023-09-08 삼성전자주식회사 인터페이스 장치

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0497408A (ja) * 1990-08-15 1992-03-30 Fujitsu Ltd 可搬形情報処理装置
US5524249A (en) * 1994-01-27 1996-06-04 Compaq Computer Corporation Video subsystem power management apparatus and method
US5991883A (en) * 1996-06-03 1999-11-23 Compaq Computer Corporation Power conservation method for a portable computer with LCD display
US6178514B1 (en) * 1998-07-31 2001-01-23 Bradley C. Wood Method and apparatus for connecting a device to a bus carrying power and a signal
JP2000122756A (ja) * 1998-10-19 2000-04-28 Fujitsu Ltd 電子機器
JP3819658B2 (ja) 1999-12-27 2006-09-13 三洋電機株式会社 共通シリアルバスコネクターを具えた携帯電子機器
JP2001184147A (ja) * 1999-12-27 2001-07-06 Sanyo Electric Co Ltd 携帯電子機器
US6631474B1 (en) * 1999-12-31 2003-10-07 Intel Corporation System to coordinate switching between first and second processors and to coordinate cache coherency between first and second processors during switching
JP2003029885A (ja) 2001-07-17 2003-01-31 Sony Corp 電源供給システム及び電子機器
JP3842609B2 (ja) * 2001-10-22 2006-11-08 株式会社東芝 Ｉｃカード用ｌｓｉ，ｉｃカード及びｉｃカードの動作方法
US7076674B2 (en) 2001-12-19 2006-07-11 Hewlett-Packard Development Company L.P. Portable computer having dual clock mode
JP2003256073A (ja) * 2002-03-04 2003-09-10 Sony Corp 情報処理装置および方法、並びにプログラム
JP2004070805A (ja) * 2002-08-08 2004-03-04 Fujitsu Ltd 内部電源電圧が制御される半導体集積回路
US7013396B2 (en) * 2002-09-26 2006-03-14 Intel Corporation Circuit for enabling dual mode safe power-on sequencing
JP2005250943A (ja) 2004-03-05 2005-09-15 Fujitsu Ltd インタフェース手段を介して電源供給可能な外部接続機器および処理装置
JP5016783B2 (ja) 2004-08-11 2012-09-05 株式会社東芝 情報処理装置およびその電源制御方法

Also Published As

Publication number Publication date
US20070229122A1 (en) 2007-10-04
TW200809485A (en) 2008-02-16
KR100972271B1 (ko) 2010-07-23
US7664973B2 (en) 2010-02-16
CN101042610B (zh) 2010-04-21
CN101042610A (zh) 2007-09-26
KR20070096844A (ko) 2007-10-02
JP4669803B2 (ja) 2011-04-13
JP2007257290A (ja) 2007-10-04

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees