ATE255737T1 - Taktssteuerungseinheit - Google Patents

Taktssteuerungseinheit

Info

Publication number
ATE255737T1
ATE255737T1 AT95307372T AT95307372T ATE255737T1 AT E255737 T1 ATE255737 T1 AT E255737T1 AT 95307372 T AT95307372 T AT 95307372T AT 95307372 T AT95307372 T AT 95307372T AT E255737 T1 ATE255737 T1 AT E255737T1
Authority
AT
Austria
Prior art keywords
integrated processor
clock
intensive
control unit
various subsystems
Prior art date
Application number
AT95307372T
Other languages
English (en)
Inventor
Keith G Hawkins
Carl K Wakeland
Original Assignee
Advanced Micro Devices Inc
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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of ATE255737T1 publication Critical patent/ATE255737T1/de

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
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • 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
    • G06F1/06—Clock generators producing several clock signals
    • 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
    • G06F1/22—Means for limiting or controlling the pin/gate ratio
    • 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
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • 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)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Microcomputers (AREA)
  • Power Sources (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT95307372T 1994-10-19 1995-10-17 Taktssteuerungseinheit ATE255737T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/325,905 US5586308A (en) 1994-10-19 1994-10-19 Clock control unit responsive to a power management state for clocking multiple clocked circuits connected thereto

Publications (1)

Publication Number Publication Date
ATE255737T1 true ATE255737T1 (de) 2003-12-15

Family

ID=23269967

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95307372T ATE255737T1 (de) 1994-10-19 1995-10-17 Taktssteuerungseinheit

Country Status (6)

Country Link
US (1) US5586308A (de)
EP (1) EP0708398B1 (de)
JP (1) JP3964472B2 (de)
KR (1) KR100397025B1 (de)
AT (1) ATE255737T1 (de)
DE (1) DE69532226T2 (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3505018B2 (ja) * 1994-11-22 2004-03-08 株式会社ルネサステクノロジ 半導体集積回路
US5774701A (en) * 1995-07-10 1998-06-30 Hitachi, Ltd. Microprocessor operating at high and low clok frequencies
US5805833A (en) * 1996-01-16 1998-09-08 Texas Instruments Incorporated Method and apparatus for replicating peripheral device ports in an expansion unit
JP3291198B2 (ja) * 1996-05-08 2002-06-10 富士通株式会社 半導体集積回路
US6115769A (en) * 1996-06-28 2000-09-05 Lsi Logic Corporation Method and apparatus for providing precise circuit delays
US5848281A (en) * 1996-07-23 1998-12-08 Smalley; Kenneth George Method and apparatus for powder management in a multifunction controller with an embedded microprocessor
US5768571A (en) * 1996-08-29 1998-06-16 Vlsi Technology, Inc. System and method for altering the clock frequency to a logic controller controlling a logic device running at a fixed frequency slower than a computer system running the logic device
US5860016A (en) * 1996-09-30 1999-01-12 Cirrus Logic, Inc. Arrangement, system, and method for automatic remapping of frame buffers when switching operating modes
US5903746A (en) * 1996-11-04 1999-05-11 Texas Instruments Incorporated Apparatus and method for automatically sequencing clocks in a data processing system when entering or leaving a low power state
EP0855718A1 (de) * 1997-01-28 1998-07-29 Hewlett-Packard Company Speichersteuerung in niedrigem Verbrauchsmodus
JPH1139868A (ja) * 1997-07-18 1999-02-12 Matsushita Electric Ind Co Ltd 半導体集積回路システム、半導体集積回路、及び半導体集積回路システムの駆動方法
US6023182A (en) * 1997-12-31 2000-02-08 Intel Corporation High gain pulse generator circuit with clock gating
KR100462019B1 (ko) * 1998-04-16 2005-04-06 삼성전자주식회사 컴퓨터 시스템의 클럭제어장치 및 그 방법
US6298448B1 (en) * 1998-12-21 2001-10-02 Siemens Information And Communication Networks, Inc. Apparatus and method for automatic CPU speed control based on application-specific criteria
US6510525B1 (en) * 1999-04-26 2003-01-21 Mediaq, Inc. Method and apparatus to power up an integrated device from a low power state
US6557066B1 (en) 1999-05-25 2003-04-29 Lsi Logic Corporation Method and apparatus for data dependent, dual level output driver
US6294937B1 (en) 1999-05-25 2001-09-25 Lsi Logic Corporation Method and apparatus for self correcting parallel I/O circuitry
US6457100B1 (en) 1999-09-15 2002-09-24 International Business Machines Corporation Scaleable shared-memory multi-processor computer system having repetitive chip structure with efficient busing and coherence controls
US7100061B2 (en) 2000-01-18 2006-08-29 Transmeta Corporation Adaptive power control
US6665802B1 (en) * 2000-02-29 2003-12-16 Infineon Technologies North America Corp. Power management and control for a microcontroller
US6779125B1 (en) * 2000-06-09 2004-08-17 Cirrus Logic, Inc. Clock generator circuitry
US6785829B1 (en) * 2000-06-30 2004-08-31 Intel Corporation Multiple operating frequencies in a processor
JP3908445B2 (ja) * 2000-08-01 2007-04-25 富士通株式会社 電子機器
JP2002175127A (ja) * 2000-09-29 2002-06-21 Oki Electric Ind Co Ltd マイクロコントローラ
US6735707B1 (en) * 2000-10-27 2004-05-11 Sun Microsystems, Inc. Hardware architecture for a multi-mode power management system using a constant time reference for operating system support
US8385476B2 (en) * 2001-04-25 2013-02-26 Texas Instruments Incorporated Digital phase locked loop
US6990594B2 (en) * 2001-05-02 2006-01-24 Portalplayer, Inc. Dynamic power management of devices in computer system by selecting clock generator output based on a current state and programmable policies
DE10127423B4 (de) * 2001-06-06 2005-10-06 Infineon Technologies Ag Elektronische Schaltung mit Energiesteuerung
TW565758B (en) * 2001-09-19 2003-12-11 Alps Electric Co Ltd Computer suppressing of unnecessary signals
US20030061523A1 (en) * 2001-09-25 2003-03-27 Stanley Randy P. Method and apparatus to provide a user priority mode
WO2003041238A2 (en) * 2001-11-05 2003-05-15 Shakti Systems, Inc. Monolithic battery charging device
WO2003041249A1 (en) * 2001-11-05 2003-05-15 Shakti Systems, Inc. Dc-dc converter with resonant gate drive
TW544991B (en) * 2002-02-07 2003-08-01 Via Tech Inc IDE control device suitable for various kinds of clock specifications
JP2003256071A (ja) * 2002-02-28 2003-09-10 Fujitsu Ltd 記憶装置およびクロック制御回路
US7124315B2 (en) * 2002-08-12 2006-10-17 Hewlett-Packard Development Company, L.P. Blade system for using multiple frequency synthesizers to control multiple processor clocks operating at different frequencies based upon user input
US7849332B1 (en) 2002-11-14 2010-12-07 Nvidia Corporation Processor voltage adjustment system and method
US7882369B1 (en) 2002-11-14 2011-02-01 Nvidia Corporation Processor performance adjustment system and method
US7886164B1 (en) 2002-11-14 2011-02-08 Nvidia Corporation Processor temperature adjustment system and method
WO2004061604A2 (en) * 2002-12-27 2004-07-22 Matsushita Electric Industrial Co. Ltd. Optimizing processor clock frequency in a hard disk drive to minimize power consumption while maximizing performance
US7089432B2 (en) * 2002-12-27 2006-08-08 Matsushita Electric Industrial Co., Ltd. Method for operating a processor at first and second rates depending upon whether the processor is executing code to control predetermined hard drive operations
US7072138B2 (en) * 2002-12-27 2006-07-04 Matsushita Electric Industrial Co., Ltd. Apparatus for optimizing processor clock frequency in a hard disk drive to minimize power consumption while maximizing performance
KR100663408B1 (ko) * 2003-07-14 2007-01-02 엘지전자 주식회사 씨피유 속도 트랜지션 제어장치 및 방법
US7457271B2 (en) * 2003-09-19 2008-11-25 Marvell International Ltd. Wireless local area network ad-hoc mode for reducing power consumption
US7131024B1 (en) * 2003-09-24 2006-10-31 Altera Corporation Multiple transmit data rates in programmable logic device serial interface
US20050174678A1 (en) * 2003-12-24 2005-08-11 Matsushita Electric Industrial Co., Ltd Stepping power consumption levels in a hard disk drive to maximize performance while minimizing power consumption
US20050144491A1 (en) * 2003-12-24 2005-06-30 Matsushita Electric Industrial Co., Ltd. Variable power consumption levels in a hard disk drive
FR2870368B1 (fr) * 2004-01-27 2006-12-15 Atmel Corp Procede et dispositif pour piloter de multiples peripheriques avec des frequences d'horloge differentes dans un circuit integre
KR101098122B1 (ko) 2004-06-03 2011-12-26 엘지전자 주식회사 컴퓨터용 ｐｃｉ 익스프레스 클럭 제어장치 및 방법
US7308592B2 (en) * 2005-02-11 2007-12-11 International Business Machines Corporation Redundant oscillator distribution in a multi-processor server system
US7881755B1 (en) 2005-05-26 2011-02-01 Marvell International Ltd. Wireless LAN power savings
US7535287B2 (en) * 2006-06-05 2009-05-19 Sigmatel, Inc. Semiconductor device and system and method of crystal sharing
US7739528B2 (en) * 2006-06-09 2010-06-15 Broadcom Corporation Method for managing and controlling the low power modes for an integrated circuit device
US7414550B1 (en) 2006-06-30 2008-08-19 Nvidia Corporation Methods and systems for sample rate conversion and sample clock synchronization
KR100762257B1 (ko) 2006-07-24 2007-10-02 충북대학교 산학협력단 태그 칩을 위한 태리 길이 판독장치 및 방법
US7636803B2 (en) * 2006-09-28 2009-12-22 Advanced Micro Devices, Inc. Device and method for transferring data between devices
US7743267B2 (en) * 2006-11-08 2010-06-22 Xerox Corporation System and method for reducing power consumption in a device
US9134782B2 (en) 2007-05-07 2015-09-15 Nvidia Corporation Maintaining optimum voltage supply to match performance of an integrated circuit
US7921318B2 (en) * 2007-05-17 2011-04-05 Globalfoundries Inc. Techniques for integrated circuit clock management using pulse skipping
US7681099B2 (en) * 2007-05-17 2010-03-16 Advanced Micro Devices, Inc. Techniques for integrated circuit clock signal manipulation to facilitate functional and speed test
US8014485B2 (en) * 2007-05-17 2011-09-06 Advanced Micro Devices, Inc. Techniques for integrated circuit clock management using multiple clock generators
US7737752B2 (en) * 2007-05-17 2010-06-15 Globalfoundries Inc Techniques for integrated circuit clock management
US9209792B1 (en) 2007-08-15 2015-12-08 Nvidia Corporation Clock selection system and method
US8327173B2 (en) * 2007-12-17 2012-12-04 Nvidia Corporation Integrated circuit device core power down independent of peripheral device operation
US9088176B2 (en) * 2007-12-17 2015-07-21 Nvidia Corporation Power management efficiency using DC-DC and linear regulators in conjunction
US8370663B2 (en) * 2008-02-11 2013-02-05 Nvidia Corporation Power management with dynamic frequency adjustments
US9411390B2 (en) 2008-02-11 2016-08-09 Nvidia Corporation Integrated circuit device having power domains and partitions based on use case power optimization
US9423846B2 (en) 2008-04-10 2016-08-23 Nvidia Corporation Powered ring to maintain IO state independent of the core of an integrated circuit device
US8762759B2 (en) * 2008-04-10 2014-06-24 Nvidia Corporation Responding to interrupts while in a reduced power state
US8575972B2 (en) * 2009-03-23 2013-11-05 Advanced Micro Devices, Inc. Digital frequency synthesizer device and method thereof
US9256265B2 (en) 2009-12-30 2016-02-09 Nvidia Corporation Method and system for artificially and dynamically limiting the framerate of a graphics processing unit
US9830889B2 (en) 2009-12-31 2017-11-28 Nvidia Corporation Methods and system for artifically and dynamically limiting the display resolution of an application
US8839006B2 (en) 2010-05-28 2014-09-16 Nvidia Corporation Power consumption reduction systems and methods
CN103003769B (zh) 2010-07-20 2016-02-24 飞思卡尔半导体公司 时钟电路、电子设备以及提供时钟信号的方法
US9395799B2 (en) 2012-08-09 2016-07-19 Nvidia Corporation Power management techniques for USB interfaces
US9471395B2 (en) 2012-08-23 2016-10-18 Nvidia Corporation Processor cluster migration techniques
US20140062561A1 (en) 2012-09-05 2014-03-06 Nvidia Corporation Schmitt receiver systems and methods for high-voltage input signals
KR101832821B1 (ko) 2012-09-10 2018-02-27 삼성전자주식회사 동적 전압 주파수 스케일링 방법, 어플리케이션 프로세서 및 이를 구비하는 모바일 기기
US9760150B2 (en) 2012-11-27 2017-09-12 Nvidia Corporation Low-power states for a computer system with integrated baseband
JP7422066B2 (ja) * 2020-12-28 2024-01-25 ルネサスエレクトロニクス株式会社 半導体装置
CN115250215B (zh) * 2022-06-23 2024-03-26 北京燕山电子设备厂 一种多接口时间基带芯片

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2256582B1 (de) * 1973-12-27 1976-11-19 Trt Telecom Radio Electr
EP0162870B1 (de) * 1983-11-07 1993-08-04 Motorola, Inc. Mikrorechner mit synthesiertem taktgenerator und leistungseinsparung
JP2643146B2 (ja) * 1987-05-14 1997-08-20 ソニー株式会社 マイクロコンピュータのクロック生成回路
US4931748A (en) * 1988-08-26 1990-06-05 Motorola, Inc. Integrated circuit with clock generator
JPH04502361A (ja) * 1988-12-19 1992-04-23 アルカテル・エヌ・ブイ クロック同期装置
GB2228598A (en) * 1989-02-28 1990-08-29 Ibm Clock signal generator for a data processing system
GB2234371A (en) * 1989-07-07 1991-01-30 Inmos Ltd Clock generation
EP0522720B1 (de) * 1991-06-18 1999-08-18 Nokia Mobile Phones Ltd. Einstellung der Taktfrequenz einer elektrischen Schaltung
JP2835224B2 (ja) * 1991-09-30 1998-12-14 株式会社東芝 クロック切り替え制御装置
WO1993025954A2 (en) * 1992-06-11 1993-12-23 Sierra Semiconductor Corporation A universal programming interface for clock generators
US5982210A (en) * 1994-09-02 1999-11-09 Sun Microsystems, Inc. PLL system clock generator with instantaneous clock frequency shifting
KR19980025519A (ko) * 1996-10-02 1998-07-15 문정환 클럭신호 제어회로

Also Published As

Publication number Publication date
KR960015134A (ko) 1996-05-22
US5586308A (en) 1996-12-17
KR100397025B1 (ko) 2003-11-10
DE69532226T2 (de) 2004-09-02
JPH08278827A (ja) 1996-10-22
EP0708398A3 (de) 1997-10-01
DE69532226D1 (de) 2004-01-15
EP0708398B1 (de) 2003-12-03
EP0708398A2 (de) 1996-04-24
JP3964472B2 (ja) 2007-08-22

Similar Documents

Publication Publication Date Title
DE69532226D1 (de) Taktssteuerungseinheit
ATE205616T1 (de) Integrierte prozessorsysteme für tragbare informationsgeräte
ATE193387T1 (de) Multiplexer und integrierter prozessor mit einem solchen multiplexer
US5774701A (en) Microprocessor operating at high and low clok frequencies
CN100373288C (zh) 无假信号的时钟选择电路
US6687320B1 (en) Phase lock loop (PLL) clock generator with programmable skew and frequency
EP0645689B1 (de) Taktversorgunsystem
JP2004086555A (ja) 半導体装置
CA2131104A1 (en) Signal Processing Device Having PLL Circuits
KR100478226B1 (ko) 불필요한 신호의 발생을 억제한 컴퓨터
ATE279751T1 (de) Elektronische schaltung mit asynchroner taktung von peripherieeinheiten
KR100777196B1 (ko) 반도체 집적 회로 장치
JP2001290754A (ja) コンピュータシステム
JPS63292312A (ja) クロック信号発生回路
JPH0792792B2 (ja) デ−タ処理装置
KR20040038599A (ko) 트랜시버 모듈
JPS6333806B2 (de)
KR890003482B1 (ko) 퍼스널 컴퓨터의 클럭 인터페이스 회로
KR20040012279A (ko) 전력 소모에 따라 가변되는 클록 신호를 발생하는 장치
JP3727670B2 (ja) マイクロコントローラ
US6629258B1 (en) Variable speed data access control circuit with exponential length wait cycle
KR20050050401A (ko) 시스템 온 칩에서 동적전압 제어를 위한 클럭 시스템
JPH08221151A (ja) クロック供給装置
JP2003091328A (ja) コンピュータ
JP2004094325A (ja) 半導体集積回路装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties