CN105980959B - 低等待时间切换下的动态时钟和电压缩放 - Google Patents

低等待时间切换下的动态时钟和电压缩放 Download PDF

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Publication number
CN105980959B
CN105980959B CN201580007810.2A CN201580007810A CN105980959B CN 105980959 B CN105980959 B CN 105980959B CN 201580007810 A CN201580007810 A CN 201580007810A CN 105980959 B CN105980959 B CN 105980959B
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CN
China
Prior art keywords
clock
module
mode
frequency
voltage
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Expired - Fee Related
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CN201580007810.2A
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English (en)
Chinese (zh)
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CN105980959A (zh
Inventor
D·R·帕尔
P·I·彭泽什
M·W·奥勒姆
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN105980959A publication Critical patent/CN105980959A/zh
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Expired - Fee Related legal-status Critical Current
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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
    • G06F1/26—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
    • G06F1/324—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
    • 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
    • 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
    • G06F1/3243—Power saving in microcontroller unit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • 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
    • G06F1/26—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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
  • Microcomputers (AREA)
  • Logic Circuits (AREA)
CN201580007810.2A 2014-02-10 2015-02-05 低等待时间切换下的动态时钟和电压缩放 Expired - Fee Related CN105980959B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/177,073 US9678556B2 (en) 2014-02-10 2014-02-10 Dynamic clock and voltage scaling with low-latency switching
US14/177,073 2014-02-10
PCT/US2015/014688 WO2015120199A1 (en) 2014-02-10 2015-02-05 Dynamic clock and voltage scaling with low-latency switching

Publications (2)

Publication Number Publication Date
CN105980959A CN105980959A (zh) 2016-09-28
CN105980959B true CN105980959B (zh) 2019-08-06

Family

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Family Applications (1)

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CN201580007810.2A Expired - Fee Related CN105980959B (zh) 2014-02-10 2015-02-05 低等待时间切换下的动态时钟和电压缩放

Country Status (6)

Country Link
US (1) US9678556B2 (enExample)
EP (1) EP3105653A1 (enExample)
JP (1) JP6309641B2 (enExample)
KR (1) KR101844424B1 (enExample)
CN (1) CN105980959B (enExample)
WO (1) WO2015120199A1 (enExample)

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US9933845B2 (en) * 2014-11-24 2018-04-03 Intel Corporation Apparatus and method to provide multiple domain clock frequencies in a processor
US10120408B2 (en) * 2015-09-30 2018-11-06 Texas Instruments Incorporated Event controlled clock switching
US11068018B2 (en) * 2016-10-25 2021-07-20 Dolphin Design System and method for power management of a computing system with a plurality of islands
CN106788398B (zh) 2016-12-06 2020-06-02 矽力杰半导体技术(杭州)有限公司 时钟分频电路、控制电路以及电源管理集成电路
KR102390766B1 (ko) 2017-05-22 2022-04-26 삼성에스디아이 주식회사 이차 전지
KR102640922B1 (ko) * 2018-03-05 2024-02-27 삼성전자주식회사 동작 상태에 따라 기능 모듈들을 저전력 상태로 제어하는 집적 회로, 전자 장치 및 그 제어 방법
CN109787625B (zh) * 2019-03-05 2022-04-05 上海芷锐电子科技有限公司 一种基于双pll的系统超频引起的电压毛刺保护系统
CN113157078B (zh) * 2020-01-07 2023-05-30 上海寒武纪信息科技有限公司 用于控制处理器的方法、装置及其处理器
US11442495B2 (en) * 2020-03-06 2022-09-13 Advanced Micro Devices, Inc. Separate clocking for components of a graphics processing unit
GB2597275B (en) * 2020-07-17 2022-09-07 Graphcore Ltd Multi-clock control
CN112130658A (zh) * 2020-09-29 2020-12-25 华东计算技术研究所（中国电子科技集团公司第三十二研究所） 程控智能电源与时钟控制方法及系统
US12197264B2 (en) * 2020-11-10 2025-01-14 Micron Technology, Inc. Power management for a memory device
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
US11467622B2 (en) * 2021-02-23 2022-10-11 Texas Instruments Incorporated Clock oscillator control circuit
KR102851792B1 (ko) 2021-02-26 2025-08-28 삼성전자주식회사 전력 관리 집적 회로 및 이를 포함하는 전자 장치
CN113572357B (zh) * 2021-07-23 2022-12-27 维沃移动通信有限公司 电子设备
KR102605288B1 (ko) * 2023-04-11 2023-11-23 주식회사 바움디자인시스템즈 집적 회로에 대한 소비 전력을 예측하기 위한 시뮬레이션 방법 및 이를 수행하는 집적 회로 시뮬레이션 시스템
US20240413962A1 (en) * 2023-06-12 2024-12-12 Qualcomm Incorporated Programmable clock divider for radio frequency (rf) mixers

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US20040193934A1 (en) * 2003-03-24 2004-09-30 Opher Kahn Reducing CPU and bus power when running in power-save modes
CN103163940A (zh) * 2011-12-12 2013-06-19 三星电子株式会社 片上系统时钟控制方法、片上系统及包括其的半导体系统
CN103248358A (zh) * 2013-05-30 2013-08-14 上海贝岭股份有限公司 实时时钟补偿装置及方法

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US7171577B2 (en) * 2003-10-06 2007-01-30 Texas Instruments Incorporated Methods and apparatus for a system clock divider
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Patent Citations (3)

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US20040193934A1 (en) * 2003-03-24 2004-09-30 Opher Kahn Reducing CPU and bus power when running in power-save modes
CN103163940A (zh) * 2011-12-12 2013-06-19 三星电子株式会社 片上系统时钟控制方法、片上系统及包括其的半导体系统
CN103248358A (zh) * 2013-05-30 2013-08-14 上海贝岭股份有限公司 实时时钟补偿装置及方法

Also Published As

Publication number Publication date
EP3105653A1 (en) 2016-12-21
US9678556B2 (en) 2017-06-13
JP6309641B2 (ja) 2018-04-11
US20150227185A1 (en) 2015-08-13
JP2017506458A (ja) 2017-03-02
KR101844424B1 (ko) 2018-04-02
CN105980959A (zh) 2016-09-28
KR20160119121A (ko) 2016-10-12
WO2015120199A1 (en) 2015-08-13

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