CN104699642B - 信息处理装置、数据传送装置及数据传送装置的控制方法 - Google Patents

信息处理装置、数据传送装置及数据传送装置的控制方法 Download PDF

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Publication number
CN104699642B
CN104699642B CN201410727879.XA CN201410727879A CN104699642B CN 104699642 B CN104699642 B CN 104699642B CN 201410727879 A CN201410727879 A CN 201410727879A CN 104699642 B CN104699642 B CN 104699642B
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China
Prior art keywords
module
timer value
signal
unit
bus module
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Chinese (zh)
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CN104699642A (zh
Inventor
平冈豪
胁野栞
稻垣光洋
森下浩
森下浩一
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Canon Inc
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Canon 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
    • G06F1/26—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
    • G06F1/3253—Power saving in bus
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • 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
    • 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
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

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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)
  • Debugging And Monitoring (AREA)
  • Bus Control (AREA)
CN201410727879.XA 2013-12-06 2014-12-04 信息处理装置、数据传送装置及数据传送装置的控制方法 Active CN104699642B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2013-253609 2013-12-06
JP2013253609 2013-12-06
JP2014160802A JP6774160B2 (ja) 2013-12-06 2014-08-06 情報処理装置、並びに、データ転送装置の制御方法
JP2014-160802 2014-08-06

Publications (2)

Publication Number Publication Date
CN104699642A CN104699642A (zh) 2015-06-10
CN104699642B true CN104699642B (zh) 2018-04-24

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US (1) US9678562B2 (enExample)
JP (1) JP6774160B2 (enExample)
CN (1) CN104699642B (enExample)

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JP6977439B2 (ja) * 2017-09-20 2021-12-08 ブラザー工業株式会社 電子機器
JP6991812B2 (ja) * 2017-09-26 2022-01-13 キヤノン株式会社 接続された外部装置と通信可能であって省電力状態に移行が可能なコントローラを備える情報処理装置及びその制御方法
US11144457B2 (en) * 2018-02-22 2021-10-12 Netspeed Systems, Inc. Enhanced page locality in network-on-chip (NoC) architectures
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CN110674063B (zh) * 2019-09-16 2021-03-23 上海天数智芯半导体有限公司 一种用于芯片内实现fabric的架构和方法
US12437732B2 (en) * 2020-12-28 2025-10-07 Ati Technologies Ulc Display wall synchronization using variable refresh rate modules
JP7646368B2 (ja) * 2021-01-14 2025-03-17 キヤノン株式会社 バスシステム及び撮像装置
JP2023009676A (ja) * 2021-07-07 2023-01-20 キヤノン株式会社 演算処理装置およびその制御方法
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CN101676831A (zh) * 2008-09-18 2010-03-24 恩益禧电子股份有限公司 时钟供给装置
US8448001B1 (en) * 2009-03-02 2013-05-21 Marvell International Ltd. System having a first device and second device in which the main power management module is configured to selectively supply a power and clock signal to change the power state of each device independently of the other device

Also Published As

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JP2015130147A (ja) 2015-07-16
JP6774160B2 (ja) 2020-10-21
US9678562B2 (en) 2017-06-13
US20150160716A1 (en) 2015-06-11
CN104699642A (zh) 2015-06-10

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