DE69433906D1 - Vorrichtung und Verfahren zur Steuerung eines Peripheriebustaktsignals - Google Patents
Vorrichtung und Verfahren zur Steuerung eines PeripheriebustaktsignalsInfo
- Publication number
- DE69433906D1 DE69433906D1 DE69433906T DE69433906T DE69433906D1 DE 69433906 D1 DE69433906 D1 DE 69433906D1 DE 69433906 T DE69433906 T DE 69433906T DE 69433906 T DE69433906 T DE 69433906T DE 69433906 D1 DE69433906 D1 DE 69433906D1
- Authority
- DE
- Germany
- Prior art keywords
- controlling
- clock signal
- peripheral bus
- bus clock
- peripheral
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F1/3215—Monitoring of peripheral devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
- G06F13/364—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines
-
- 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)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Transfer Systems (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US125406 | 1987-11-25 | ||
US08/125,406 US6163848A (en) | 1993-09-22 | 1993-09-22 | System and method for re-starting a peripheral bus clock signal and requesting mastership of a peripheral bus |
US131092 | 1993-10-01 | ||
US08/131,092 US5600839A (en) | 1993-10-01 | 1993-10-01 | System and method for controlling assertion of a peripheral bus clock signal through a slave device |
US23481994A | 1994-04-28 | 1994-04-28 | |
US234819 | 1994-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69433906D1 true DE69433906D1 (de) | 2004-08-26 |
DE69433906T2 DE69433906T2 (de) | 2005-07-21 |
Family
ID=27383240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69433906T Expired - Lifetime DE69433906T2 (de) | 1993-09-22 | 1994-09-12 | Vorrichtung und Verfahren zur Steuerung eines Peripheriebustaktsignals |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0644475B1 (de) |
JP (1) | JP3568592B2 (de) |
DE (1) | DE69433906T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5740454A (en) | 1995-12-20 | 1998-04-14 | Compaq Computer Corporation | Circuit for setting computer system bus signals to predetermined states in low power mode |
DE69827755T2 (de) * | 1997-07-21 | 2005-11-03 | Koninklijke Philips Electronics N.V. | Verfahren zum betreiben eines kommunikationskanals in einer gemischten master-/slave-teilnehmerumgebung durch eine dynamische schliess- und/oder öffnungsoperation und system zur durchführung des verfahrens |
JP3592547B2 (ja) * | 1998-09-04 | 2004-11-24 | 株式会社ルネサステクノロジ | 情報処理装置および信号転送方法 |
JP4733877B2 (ja) | 2001-08-15 | 2011-07-27 | 富士通セミコンダクター株式会社 | 半導体装置 |
JP3665030B2 (ja) | 2002-02-19 | 2005-06-29 | Necマイクロシステム株式会社 | バス制御方法及び情報処理装置 |
US7155618B2 (en) * | 2002-03-08 | 2006-12-26 | Freescale Semiconductor, Inc. | Low power system and method for a data processing system |
US7861192B2 (en) | 2007-12-13 | 2010-12-28 | Globalfoundries Inc. | Technique to implement clock-gating using a common enable for a plurality of storage cells |
US10311191B2 (en) | 2017-01-26 | 2019-06-04 | Advanced Micro Devices, Inc. | Memory including side-car arrays with irregular sized entries |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381552A (en) * | 1978-12-08 | 1983-04-26 | Motorola Inc. | Stanby mode controller utilizing microprocessor |
JPS59200327A (ja) * | 1983-04-26 | 1984-11-13 | Nec Corp | 周辺装置の制御方式 |
JPS62150453A (ja) * | 1985-12-23 | 1987-07-04 | Nec Corp | マイクロコントロ−ラのスタンバイ制御方式 |
US5167024A (en) * | 1989-09-08 | 1992-11-24 | Apple Computer, Inc. | Power management for a laptop computer with slow and sleep modes |
JP2738229B2 (ja) * | 1992-08-03 | 1998-04-08 | 日本電気株式会社 | シリアル・データ通信制御装置 |
-
1994
- 1994-09-12 DE DE69433906T patent/DE69433906T2/de not_active Expired - Lifetime
- 1994-09-12 EP EP94306661A patent/EP0644475B1/de not_active Expired - Lifetime
- 1994-09-20 JP JP22433694A patent/JP3568592B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH07152449A (ja) | 1995-06-16 |
EP0644475B1 (de) | 2004-07-21 |
JP3568592B2 (ja) | 2004-09-22 |
EP0644475A2 (de) | 1995-03-22 |
EP0644475A3 (de) | 1995-09-27 |
DE69433906T2 (de) | 2005-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: GLOBALFOUNDRIES INC. MAPLES CORPORATE SERVICES, KY |