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 2017-02-24
US15/441,613 US10303200B2 (en) 2017-02-24 2017-02-24 Clock divider device and methods thereof
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)

Country Link
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
US12061509B2 (en) * 2022-12-15 2024-08-13 International Business Machines Corporation Voltage droop and overshoot management using non-linear slope detection
US20240329711A1 (en) * 2023-03-30 2024-10-03 Intel Corporation Apparatus and method for workload, power, and performance-aware dynamic core frequency ramp rate
KR20240164240A (ko) 2023-05-12 2024-11-19 삼성전자주식회사 시스템 온 칩 및 그 동작 방법
CN119576410B (zh) * 2024-11-12 2026-03-20 成都海光集成电路设计有限公司 一种处理器及指令执行方法

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US7114038B2 (en) 2001-12-28 2006-09-26 Intel Corporation Method and apparatus for communicating between integrated circuits in a low power mode
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
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US7225349B2 (en) 2003-07-25 2007-05-29 Intel Corporation Power supply voltage droop compensated clock modulation for microprocessors
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
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US20120187991A1 (en) * 2011-01-25 2012-07-26 Advanced Micro Devices, Inc. Clock stretcher for voltage droop mitigation
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WO2013095633A1 (en) 2011-12-23 2013-06-27 Intel Corporation Characterization of within-die variations of many-core processors
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
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Also Published As

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

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