CN110226148B - 时钟分频器装置及其方法 - Google Patents

时钟分频器装置及其方法 Download PDF

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Publication number
CN110226148B
CN110226148B CN201880008576.9A CN201880008576A CN110226148B CN 110226148 B CN110226148 B CN 110226148B CN 201880008576 A CN201880008576 A CN 201880008576A CN 110226148 B CN110226148 B CN 110226148B
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China
Prior art keywords
frequency
clock
signal
stretch
core
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Chinese (zh)
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CN110226148A (zh
Inventor
迪佩什·约翰
史蒂文·科姆鲁施
维布霍尔·米塔尔
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Advanced Micro Devices Inc
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Advanced Micro Devices Inc
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    • 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
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/10—Distribution of clock signals, e.g. skew
    • 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
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
    • G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
  • Microcomputers (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
CN201880008576.9A 2017-02-24 2018-02-20 时钟分频器装置及其方法 Active CN110226148B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/441,613 US10303200B2 (en) 2017-02-24 2017-02-24 Clock divider device and methods thereof
US15/441,613 2017-02-24
PCT/US2018/018718 WO2018156485A1 (en) 2017-02-24 2018-02-20 Clock divider device and methods thereof

Publications (2)

Publication Number Publication Date
CN110226148A CN110226148A (zh) 2019-09-10
CN110226148B true CN110226148B (zh) 2021-04-09

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CN201880008576.9A Active CN110226148B (zh) 2017-02-24 2018-02-20 时钟分频器装置及其方法

Country Status (6)

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US (1) US10303200B2 (enExample)
EP (1) EP3586214B1 (enExample)
JP (1) JP6905596B2 (enExample)
KR (1) KR102306084B1 (enExample)
CN (1) CN110226148B (enExample)
WO (1) WO2018156485A1 (enExample)

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US12019499B2 (en) 2021-12-16 2024-06-25 Advanced Micro Devices, Inc. System and method to reduce power down entry and exit latency
CN117409828A (zh) * 2022-07-08 2024-01-16 长鑫存储技术有限公司 一种存储器、控制装置、时钟处理方法和电子设备
EP4325503B1 (en) 2022-07-08 2025-05-21 Changxin Memory Technologies, Inc. Memory, control apparatus, clock processing method, and electronic device
US12061509B2 (en) * 2022-12-15 2024-08-13 International Business Machines Corporation Voltage droop and overshoot management using non-linear slope detection

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JP2000207381A (ja) 1999-01-20 2000-07-28 Mitsubishi Electric Corp マイクロコンピュ―タのリセット装置
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US6922111B2 (en) * 2002-12-20 2005-07-26 Intel Corporation Adaptive frequency clock signal
US6882238B2 (en) * 2003-03-21 2005-04-19 Intel Corporation Method and apparatus for detecting on-die voltage variations
US7007188B1 (en) 2003-04-29 2006-02-28 Advanced Micro Devices, Inc. Precision bypass clock for high speed testing of a data processor
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US7076679B2 (en) 2003-10-06 2006-07-11 Hewlett-Packard Development Company, L.P. System and method for synchronizing multiple variable-frequency clock generators
DE10354215B4 (de) 2003-11-20 2010-02-25 Infineon Technologies Ag Taktregulierungsvorrichtung sowie Schaltungsanordnung
WO2006091826A2 (en) * 2005-02-23 2006-08-31 Multigig, Inc. Low noise divider
JP4492394B2 (ja) 2005-03-08 2010-06-30 株式会社デンソー マイクロコンピュータ
US8037340B2 (en) 2007-11-28 2011-10-11 International Business Machines Corporation Apparatus and method for micro performance tuning of a clocked digital system
US7570122B2 (en) * 2007-12-22 2009-08-04 Broadcom Corporation Low voltage LOGEN
DE102008061034B3 (de) 2008-12-08 2010-04-08 Fujitsu Siemens Computers Gmbh Anordnung umfassend wenigstens zwei Stromversorgungseinheiten und wenigstens eine Strom verbrauchende Komponente, Computersystem sowie Verfahren zur Steuerung einer Anordnung
US8433944B2 (en) * 2010-04-12 2013-04-30 Qualcomm Incorporated Clock divider system and method with incremental adjustment steps while controlling tolerance in clock duty cycle
US8384435B2 (en) * 2011-01-05 2013-02-26 Texas Instruments Incorporated Clock switching circuit with priority multiplexer
US20120187991A1 (en) * 2011-01-25 2012-07-26 Advanced Micro Devices, Inc. Clock stretcher for voltage droop mitigation
US8937511B2 (en) 2011-11-22 2015-01-20 Marvell World Trade Ltd. Frequency scaling of variable speed systems for fast response and power reduction
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US9065440B2 (en) * 2013-01-30 2015-06-23 Altera Corporation Bypassable clocked storage circuitry for dynamic voltage-frequency scaling
US10020931B2 (en) * 2013-03-07 2018-07-10 Intel Corporation Apparatus for dynamically adapting a clock generator with respect to changes in power supply
US8933737B1 (en) * 2013-06-28 2015-01-13 Stmicroelectronics International N.V. System and method for variable frequency clock generation
CN105375917B (zh) * 2013-12-13 2019-01-29 马维尔国际有限公司 分频器
US9753525B2 (en) 2014-12-23 2017-09-05 Intel Corporation Systems and methods for core droop mitigation based on license state
US9798376B2 (en) * 2015-08-03 2017-10-24 Qualcomm Incorporated Power distribution network (PDN) droop/overshoot mitigation
US9778676B2 (en) 2015-08-03 2017-10-03 Qualcomm Incorporated Power distribution network (PDN) droop/overshoot mitigation in dynamic frequency scaling
US9915968B2 (en) * 2016-04-19 2018-03-13 Qualcomm Incorporated Systems and methods for adaptive clock design
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Also Published As

Publication number Publication date
WO2018156485A1 (en) 2018-08-30
JP2020510253A (ja) 2020-04-02
KR20190113809A (ko) 2019-10-08
CN110226148A (zh) 2019-09-10
EP3586214A4 (en) 2020-12-16
JP6905596B2 (ja) 2021-07-21
EP3586214B1 (en) 2023-05-31
KR102306084B1 (ko) 2021-09-28
US20180246557A1 (en) 2018-08-30
EP3586214A1 (en) 2020-01-01
US10303200B2 (en) 2019-05-28

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