DE69431500D1 - Geringem Leistungsverbraucheinchipmikrorechner mit mehreren peripheren Schaltkreisen - Google Patents

Geringem Leistungsverbraucheinchipmikrorechner mit mehreren peripheren Schaltkreisen

Info

Publication number
DE69431500D1
DE69431500D1 DE69431500T DE69431500T DE69431500D1 DE 69431500 D1 DE69431500 D1 DE 69431500D1 DE 69431500 T DE69431500 T DE 69431500T DE 69431500 T DE69431500 T DE 69431500T DE 69431500 D1 DE69431500 D1 DE 69431500D1
Authority
DE
Germany
Prior art keywords
power consumption
low power
peripheral circuits
multiple peripheral
microchip computer
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.)
Expired - Fee Related
Application number
DE69431500T
Other languages
English (en)
Other versions
DE69431500T2 (de
Inventor
Yusuke Tokeida
Hiroshi Katsuta
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.)
NEC Electronics Corp
Original Assignee
NEC Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16314912&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69431500(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69431500D1 publication Critical patent/DE69431500D1/de
Publication of DE69431500T2 publication Critical patent/DE69431500T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G06F1/3215—Monitoring of peripheral devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F1/325—Power saving in peripheral device

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microcomputers (AREA)
  • Power Sources (AREA)
DE69431500T 1993-07-12 1994-07-12 Geringem Leistungsverbraucheinchipmikrorechner mit mehreren peripheren Schaltkreisen Expired - Fee Related DE69431500T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5193857A JP2636691B2 (ja) 1993-07-12 1993-07-12 マイクロコンピュータ

Publications (2)

Publication Number Publication Date
DE69431500D1 true DE69431500D1 (de) 2002-11-14
DE69431500T2 DE69431500T2 (de) 2003-06-18

Family

ID=16314912

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69431500T Expired - Fee Related DE69431500T2 (de) 1993-07-12 1994-07-12 Geringem Leistungsverbraucheinchipmikrorechner mit mehreren peripheren Schaltkreisen

Country Status (5)

Country Link
US (1) US5511013A (de)
EP (1) EP0634715B1 (de)
JP (1) JP2636691B2 (de)
KR (1) KR0142033B1 (de)
DE (1) DE69431500T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678065A (en) * 1994-09-19 1997-10-14 Advanced Micro Devices, Inc. Computer system employing an enable line for selectively adjusting a peripheral bus clock frequency
US5778237A (en) * 1995-01-10 1998-07-07 Hitachi, Ltd. Data processor and single-chip microcomputer with changing clock frequency and operating voltage
JP3520611B2 (ja) * 1995-07-06 2004-04-19 株式会社日立製作所 プロセッサの制御方法
US5692202A (en) * 1995-12-29 1997-11-25 Intel Corporation System, apparatus, and method for managing power in a computer system
US5742781A (en) * 1996-08-09 1998-04-21 Hitachi America, Ltd. Decoded instruction buffer apparatus and method for reducing power consumption in a digital signal processor
US5862393A (en) * 1996-10-07 1999-01-19 Lxe, Inc. System for managing power of a computer with removable devices
US5918073A (en) * 1997-06-27 1999-06-29 Advanced Micro Devices, Inc. System and method for equalizing data buffer storage and fetch rates of peripheral devices
JP3633324B2 (ja) 1998-11-20 2005-03-30 松下電工株式会社 マッサージ機
KR100367588B1 (ko) * 2000-01-24 2003-01-10 엘지전자 주식회사 디지털데이터 플레이어의 상대주소 할당 장치 및 방법
WO2001093051A1 (en) * 2000-05-30 2001-12-06 Matsushita Electric Industrial Co., Ltd. Data processing system, and data processing method
JP2002041495A (ja) * 2000-07-21 2002-02-08 Denso Corp マイクロコンピュータ
US7263623B1 (en) * 2004-03-30 2007-08-28 Altera Corporation Microprocessor system
JP2006172266A (ja) * 2004-12-17 2006-06-29 Matsushita Electric Ind Co Ltd ダイレクトメモリアクセスシステム
CN103069409B (zh) 2010-08-26 2016-04-06 瑞萨电子株式会社 数据处理装置和数据处理系统
JP5507694B2 (ja) 2010-09-02 2014-05-28 ルネサスエレクトロニクス株式会社 データ処理装置およびデータ処理システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694393A (en) * 1983-06-14 1987-09-15 Sharp Kabushiki Kaisha Peripheral unit for a microprocessor system
US4747041A (en) * 1983-06-27 1988-05-24 Unisys Corporation Automatic power control system which automatically activates and deactivates power to selected peripheral devices based upon system requirement
JPS60195631A (ja) * 1984-03-19 1985-10-04 Hitachi Ltd デ−タ処理装置
JPS61285521A (ja) * 1985-06-12 1986-12-16 Hitachi Ltd 低消費電力形コンピユ−タ装置
JPS63126018A (ja) * 1986-11-17 1988-05-30 Hitachi Ltd 半導体集積回路
JPS63172345A (ja) * 1987-01-12 1988-07-16 Canon Inc スイツチデ−タ入力装置
US4881205A (en) * 1987-04-21 1989-11-14 Casio Computer Co., Ltd. Compact electronic apparatus with a refresh unit for a dynamic type memory
JPS6454722A (en) * 1987-08-26 1989-03-02 Matsushita Electric Ind Co Ltd Polarizable electrode and manufacture thereof

Also Published As

Publication number Publication date
EP0634715A1 (de) 1995-01-18
DE69431500T2 (de) 2003-06-18
JP2636691B2 (ja) 1997-07-30
EP0634715B1 (de) 2002-10-09
KR0142033B1 (ko) 1998-07-01
US5511013A (en) 1996-04-23
JPH0728549A (ja) 1995-01-31
KR950003989A (ko) 1995-02-17

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee