DE69312192D1 - Aufteilung des buszugriffs zwischen mehreren endlichen automaten mit minimaler wartezeit und priorisierung von ähnlichen zyklustypen - Google Patents
Aufteilung des buszugriffs zwischen mehreren endlichen automaten mit minimaler wartezeit und priorisierung von ähnlichen zyklustypenInfo
- Publication number
- DE69312192D1 DE69312192D1 DE69312192T DE69312192T DE69312192D1 DE 69312192 D1 DE69312192 D1 DE 69312192D1 DE 69312192 T DE69312192 T DE 69312192T DE 69312192 T DE69312192 T DE 69312192T DE 69312192 D1 DE69312192 D1 DE 69312192D1
- Authority
- DE
- Germany
- Prior art keywords
- priorization
- distribution
- waiting period
- bus access
- minimum waiting
- 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
- 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
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/861,637 US5265212A (en) | 1992-04-01 | 1992-04-01 | Sharing of bus access among multiple state machines with minimal wait time and prioritization of like cycle types |
PCT/US1993/003131 WO1993020518A1 (en) | 1992-04-01 | 1993-03-30 | Sharing of bus access among multiple state machines with minimal wait time and prioritization of like cycle types |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69312192D1 true DE69312192D1 (de) | 1997-08-21 |
DE69312192T2 DE69312192T2 (de) | 1998-02-05 |
Family
ID=25336346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69312192T Expired - Lifetime DE69312192T2 (de) | 1992-04-01 | 1993-03-30 | Aufteilung des buszugriffs zwischen mehreren endlichen automaten mit minimaler wartezeit und priorisierung von ähnlichen zyklustypen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5265212A (de) |
EP (1) | EP0587865B1 (de) |
DE (1) | DE69312192T2 (de) |
WO (1) | WO1993020518A1 (de) |
Families Citing this family (50)
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US6417859B1 (en) | 1992-06-30 | 2002-07-09 | Discovision Associates | Method and apparatus for displaying video data |
JPH06222990A (ja) * | 1992-10-16 | 1994-08-12 | Fujitsu Ltd | データ処理装置 |
US5463739A (en) * | 1992-12-22 | 1995-10-31 | International Business Machines Corporation | Apparatus for vetoing reallocation requests during a data transfer based on data bus latency and the number of received reallocation requests below a threshold |
US5548767A (en) * | 1993-10-06 | 1996-08-20 | Intel Corporation | Method and apparatus for streamlined handshaking between state machines |
US5875339A (en) * | 1993-10-21 | 1999-02-23 | Sun Microsystems, Inc. | Asynchronous arbiter using multiple arbiter elements to enhance speed |
US5713025A (en) * | 1993-10-21 | 1998-01-27 | Sun Microsystems, Inc. | Asynchronous arbiter using multiple arbiter elements to enhance speed |
CA2145365C (en) | 1994-03-24 | 1999-04-27 | Anthony M. Jones | Method for accessing banks of dram |
EP1026600B1 (de) * | 1994-03-24 | 2004-10-06 | Discovision Associates | Verfahren und Vorrichtung zur Schnittstellenbildung mit RAM-Speicher |
CA2145363C (en) | 1994-03-24 | 1999-07-13 | Anthony Mark Jones | Ram interface |
US5539895A (en) * | 1994-05-12 | 1996-07-23 | International Business Machines Corporation | Hierarchical computer cache system |
US5831985A (en) * | 1995-11-09 | 1998-11-03 | Emc Corporation | Method and apparatus for controlling concurrent data transmission from multiple sources in a channel communication system |
US6125425A (en) * | 1996-03-29 | 2000-09-26 | Intel Corporation | Memory controller performing a mid transaction refresh and handling a suspend signal |
US5680365A (en) * | 1996-05-16 | 1997-10-21 | Mitsubishi Semiconductor America, Inc. | Shared dram I/O databus for high speed operation |
US5931931A (en) * | 1997-04-04 | 1999-08-03 | International Business Machines Corporation | Method for bus arbitration in a multiprocessor system |
US6389497B1 (en) | 1999-01-22 | 2002-05-14 | Analog Devices, Inc. | DRAM refresh monitoring and cycle accurate distributed bus arbitration in a multi-processing environment |
US7197589B1 (en) * | 1999-05-21 | 2007-03-27 | Silicon Graphics, Inc. | System and method for providing access to a bus |
US6523098B1 (en) * | 1999-12-22 | 2003-02-18 | Intel Corporation | Mechanism for efficient low priority write draining |
TW519663B (en) * | 2001-05-15 | 2003-02-01 | Via Tech Inc | Memory control device and method |
US6715024B1 (en) * | 2001-12-31 | 2004-03-30 | Lsi Logic Corporation | Multi-bank memory device having a 1:1 state machine-to-memory bank ratio |
US6915341B2 (en) * | 2002-01-08 | 2005-07-05 | International Business Machines Corporation | System for sending messages to all users in a web hosting environment |
US6941428B2 (en) * | 2002-09-25 | 2005-09-06 | International Business Machines Corporation | Memory controller optimization |
US7389375B2 (en) | 2004-07-30 | 2008-06-17 | International Business Machines Corporation | System, method and storage medium for a multi-mode memory buffer device |
US7296129B2 (en) | 2004-07-30 | 2007-11-13 | International Business Machines Corporation | System, method and storage medium for providing a serialized memory interface with a bus repeater |
US7539800B2 (en) | 2004-07-30 | 2009-05-26 | International Business Machines Corporation | System, method and storage medium for providing segment level sparing |
US7299313B2 (en) | 2004-10-29 | 2007-11-20 | International Business Machines Corporation | System, method and storage medium for a memory subsystem command interface |
US7441060B2 (en) | 2004-10-29 | 2008-10-21 | International Business Machines Corporation | System, method and storage medium for providing a service interface to a memory system |
US7395476B2 (en) | 2004-10-29 | 2008-07-01 | International Business Machines Corporation | System, method and storage medium for providing a high speed test interface to a memory subsystem |
US7305574B2 (en) | 2004-10-29 | 2007-12-04 | International Business Machines Corporation | System, method and storage medium for bus calibration in a memory subsystem |
US7512762B2 (en) | 2004-10-29 | 2009-03-31 | International Business Machines Corporation | System, method and storage medium for a memory subsystem with positional read data latency |
US7331010B2 (en) | 2004-10-29 | 2008-02-12 | International Business Machines Corporation | System, method and storage medium for providing fault detection and correction in a memory subsystem |
US7277988B2 (en) * | 2004-10-29 | 2007-10-02 | International Business Machines Corporation | System, method and storage medium for providing data caching and data compression in a memory subsystem |
US7356737B2 (en) | 2004-10-29 | 2008-04-08 | International Business Machines Corporation | System, method and storage medium for testing a memory module |
US7478259B2 (en) | 2005-10-31 | 2009-01-13 | International Business Machines Corporation | System, method and storage medium for deriving clocks in a memory system |
US7685392B2 (en) | 2005-11-28 | 2010-03-23 | International Business Machines Corporation | Providing indeterminate read data latency in a memory system |
US7636813B2 (en) * | 2006-05-22 | 2009-12-22 | International Business Machines Corporation | Systems and methods for providing remote pre-fetch buffers |
US7594055B2 (en) | 2006-05-24 | 2009-09-22 | International Business Machines Corporation | Systems and methods for providing distributed technology independent memory controllers |
US7640386B2 (en) | 2006-05-24 | 2009-12-29 | International Business Machines Corporation | Systems and methods for providing memory modules with multiple hub devices |
US7584336B2 (en) | 2006-06-08 | 2009-09-01 | International Business Machines Corporation | Systems and methods for providing data modification operations in memory subsystems |
US7493439B2 (en) | 2006-08-01 | 2009-02-17 | International Business Machines Corporation | Systems and methods for providing performance monitoring in a memory system |
US7669086B2 (en) | 2006-08-02 | 2010-02-23 | International Business Machines Corporation | Systems and methods for providing collision detection in a memory system |
US7581073B2 (en) * | 2006-08-09 | 2009-08-25 | International Business Machines Corporation | Systems and methods for providing distributed autonomous power management in a memory system |
US7587559B2 (en) | 2006-08-10 | 2009-09-08 | International Business Machines Corporation | Systems and methods for memory module power management |
US7539842B2 (en) | 2006-08-15 | 2009-05-26 | International Business Machines Corporation | Computer memory system for selecting memory buses according to physical memory organization information stored in virtual address translation tables |
US7490217B2 (en) | 2006-08-15 | 2009-02-10 | International Business Machines Corporation | Design structure for selecting memory busses according to physical memory organization information stored in virtual address translation tables |
US7477522B2 (en) * | 2006-10-23 | 2009-01-13 | International Business Machines Corporation | High density high reliability memory module with a fault tolerant address and command bus |
US7870459B2 (en) * | 2006-10-23 | 2011-01-11 | International Business Machines Corporation | High density high reliability memory module with power gating and a fault tolerant address and command bus |
US7721140B2 (en) | 2007-01-02 | 2010-05-18 | International Business Machines Corporation | Systems and methods for improving serviceability of a memory system |
US7603526B2 (en) | 2007-01-29 | 2009-10-13 | International Business Machines Corporation | Systems and methods for providing dynamic memory pre-fetch |
US7606988B2 (en) | 2007-01-29 | 2009-10-20 | International Business Machines Corporation | Systems and methods for providing a dynamic memory bank page policy |
US9086688B2 (en) * | 2013-07-09 | 2015-07-21 | Fisher-Rosemount Systems, Inc. | State machine function block with user-definable actions on a transition between states |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4281381A (en) * | 1979-05-14 | 1981-07-28 | Bell Telephone Laboratories, Incorporated | Distributed first-come first-served bus allocation apparatus |
US4384324A (en) * | 1980-05-06 | 1983-05-17 | Burroughs Corporation | Microprogrammed digital data processing system employing tasking at a microinstruction level |
FR2503898B1 (fr) * | 1981-04-08 | 1986-02-28 | Thomson Csf | Procede et dispositif d'allocation d'une ressource dans un systeme comportant des unites de traitement de donnees autonomes |
US4453214A (en) * | 1981-09-08 | 1984-06-05 | Sperry Corporation | Bus arbitrating circuit |
US4481572A (en) * | 1981-10-13 | 1984-11-06 | Teledyne Industries, Inc. | Multiconfigural computers utilizing a time-shared bus |
US4814974A (en) * | 1982-07-02 | 1989-03-21 | American Telephone And Telegraph Company, At&T Bell Laboratories | Programmable memory-based arbitration system for implementing fixed and flexible priority arrangements |
US4633394A (en) * | 1984-04-24 | 1986-12-30 | International Business Machines Corp. | Distributed arbitration for multiple processors |
US4719569A (en) * | 1985-10-11 | 1988-01-12 | Sun Microsystems, Inc. | Arbitrator for allocating access to data processing resources |
US4794516A (en) * | 1985-10-31 | 1988-12-27 | International Business Machines Corporation | Method and apparatus for communicating data between a host and a plurality of parallel processors |
US4779089A (en) * | 1985-11-27 | 1988-10-18 | Tektronix, Inc. | Bus arbitration controller |
CA1274918A (en) * | 1985-11-27 | 1990-10-02 | John G. Theus | Bus arbitration controller |
US4858173A (en) * | 1986-01-29 | 1989-08-15 | Digital Equipment Corporation | Apparatus and method for responding to an aborted signal exchange between subsystems in a data processing system |
US4881195A (en) * | 1986-11-26 | 1989-11-14 | Rockwell International Corp. | Multi-requester arbitration circuit |
US4922413A (en) * | 1987-03-24 | 1990-05-01 | Center For Innovative Technology | Method for concurrent execution of primitive operations by dynamically assigning operations based upon computational marked graph and availability of data |
US4897833A (en) * | 1987-10-16 | 1990-01-30 | Digital Equipment Corporation | Hierarchical arbitration system |
US4920486A (en) * | 1987-11-23 | 1990-04-24 | Digital Equipment Corporation | Distributed arbitration apparatus and method for shared bus |
US5016167A (en) * | 1987-12-21 | 1991-05-14 | Amdahl Corporation | Resource contention deadlock detection and prevention |
GB2215874A (en) * | 1988-03-23 | 1989-09-27 | Benchmark Technologies | Arbitration system |
US5179705A (en) * | 1988-03-23 | 1993-01-12 | Dupont Pixel Systems, Ltd. | Asynchronous arbiter state machine for arbitrating between operating devices requesting access to a shared resource |
US5043874A (en) * | 1989-02-03 | 1991-08-27 | Digital Equipment Corporation | Memory configuration for use with means for interfacing a system control unit for a multi-processor system with the system main memory |
US5146564A (en) * | 1989-02-03 | 1992-09-08 | Digital Equipment Corporation | Interface between a system control unit and a service processing unit of a digital computer |
US5072420A (en) * | 1989-03-16 | 1991-12-10 | Western Digital Corporation | FIFO control architecture and method for buffer memory access arbitration |
-
1992
- 1992-04-01 US US07/861,637 patent/US5265212A/en not_active Expired - Lifetime
-
1993
- 1993-03-30 WO PCT/US1993/003131 patent/WO1993020518A1/en active IP Right Grant
- 1993-03-30 EP EP93908736A patent/EP0587865B1/de not_active Expired - Lifetime
- 1993-03-30 DE DE69312192T patent/DE69312192T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0587865B1 (de) | 1997-07-16 |
EP0587865A1 (de) | 1994-03-23 |
US5265212A (en) | 1993-11-23 |
DE69312192T2 (de) | 1998-02-05 |
WO1993020518A1 (en) | 1993-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER, 80538 MUENCHEN |