FR2349192A1 - Dispositif de commande d^'acces en memoire - Google Patents

Dispositif de commande d^'acces en memoire

Info

Publication number
FR2349192A1
FR2349192A1 FR7712198A FR7712198A FR2349192A1 FR 2349192 A1 FR2349192 A1 FR 2349192A1 FR 7712198 A FR7712198 A FR 7712198A FR 7712198 A FR7712198 A FR 7712198A FR 2349192 A1 FR2349192 A1 FR 2349192A1
Authority
FR
France
Prior art keywords
control device
access control
memory access
memory
control
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.)
Granted
Application number
FR7712198A
Other languages
English (en)
Other versions
FR2349192B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2349192A1 publication Critical patent/FR2349192A1/fr
Application granted granted Critical
Publication of FR2349192B1 publication Critical patent/FR2349192B1/fr
Granted legal-status Critical Current

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
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • 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
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1626—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by reordering requests
    • G06F13/1631—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by reordering requests through address comparison
FR7712198A 1976-04-24 1977-04-22 Dispositif de commande d^'acces en memoire Granted FR2349192A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4703976A JPS52130246A (en) 1976-04-24 1976-04-24 Memory access control system

Publications (2)

Publication Number Publication Date
FR2349192A1 true FR2349192A1 (fr) 1977-11-18
FR2349192B1 FR2349192B1 (fr) 1980-04-25

Family

ID=12764010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712198A Granted FR2349192A1 (fr) 1976-04-24 1977-04-22 Dispositif de commande d^'acces en memoire

Country Status (9)

Country Link
US (1) US4115851A (fr)
JP (1) JPS52130246A (fr)
AU (1) AU501316B2 (fr)
BR (1) BR7702569A (fr)
CA (1) CA1072216A (fr)
DE (1) DE2717702C2 (fr)
ES (1) ES457764A1 (fr)
FR (1) FR2349192A1 (fr)
GB (1) GB1568312A (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228500A (en) * 1978-03-27 1980-10-14 Honeywell Information Systems Inc. Command stacking apparatus for use in a memory controller
US4253144A (en) * 1978-12-21 1981-02-24 Burroughs Corporation Multi-processor communication network
US4307446A (en) * 1979-05-02 1981-12-22 Burroughs Corporation Digital communication networks employing speed independent switches
NL7907179A (nl) * 1979-09-27 1981-03-31 Philips Nv Signaalprocessorinrichting met voorwaardelijke- -interrupteenheid en multiprocessorsysteem met deze signaalprocessorinrichtingen.
US4384323A (en) * 1980-02-25 1983-05-17 Bell Telephone Laboratories, Incorporated Store group bus allocation system
US4393459A (en) * 1980-07-17 1983-07-12 International Business Machines Corp. Status reporting with ancillary data
US4380798A (en) * 1980-09-15 1983-04-19 Motorola, Inc. Semaphore register including ownership bits
JPS5786180A (en) * 1980-11-17 1982-05-29 Hitachi Ltd Memory device having address converting mechanism
US4410943A (en) * 1981-03-23 1983-10-18 Honeywell Information Systems Inc. Memory delay start apparatus for a queued memory controller
US4495567A (en) * 1981-10-15 1985-01-22 Codex Corporation Multiprocessor/multimemory control system
JPS5995151U (ja) * 1982-12-20 1984-06-28 三菱重工業株式会社 粉体供給装置
US4594657A (en) * 1983-04-22 1986-06-10 Motorola, Inc. Semaphore for memory shared by two asynchronous microcomputers
US4654787A (en) * 1983-07-29 1987-03-31 Hewlett-Packard Company Apparatus for locating memory modules having different sizes within a memory space
US4722052A (en) * 1984-04-02 1988-01-26 Sperry Corporation Multiple unit adapter
US4630197A (en) * 1984-04-06 1986-12-16 Gte Communication Systems Corporation Anti-mutilation circuit for protecting dynamic memory
US4710868A (en) * 1984-06-29 1987-12-01 International Business Machines Corporation Interconnect scheme for shared memory local networks
US4745545A (en) * 1985-06-28 1988-05-17 Cray Research, Inc. Memory reference control in a multiprocessor
US4821185A (en) * 1986-05-19 1989-04-11 American Telephone And Telegraph Company I/O interface system using plural buffers sized smaller than non-overlapping contiguous computer memory portions dedicated to each buffer
US4807184A (en) * 1986-08-11 1989-02-21 Ltv Aerospace Modular multiple processor architecture using distributed cross-point switch
US4780822A (en) * 1986-09-17 1988-10-25 Integrated Device Technology, Inc. Semaphore circuit for shared memory cells
US5301278A (en) * 1988-04-29 1994-04-05 International Business Machines Corporation Flexible dynamic memory controller
US5142638A (en) * 1989-02-07 1992-08-25 Cray Research, Inc. Apparatus for sharing memory in a multiprocessor system
JP2626154B2 (ja) * 1990-04-18 1997-07-02 日本電気株式会社 メモリアクセス制御装置
JP2511588B2 (ja) * 1990-09-03 1996-06-26 インターナショナル・ビジネス・マシーンズ・コーポレイション デ―タ処理ネットワ―ク、ロックを獲得させる方法及び直列化装置
US5206952A (en) * 1990-09-12 1993-04-27 Cray Research, Inc. Fault tolerant networking architecture
EP0543560B1 (fr) * 1991-11-19 1999-12-22 Sun Microsystems, Inc. Arbitration d'accès multiprocesseur au ressources partagées
JPH086889A (ja) * 1994-06-20 1996-01-12 Fujitsu Ltd 入出力制御装置
US6022094A (en) * 1995-09-27 2000-02-08 Lexmark International, Inc. Memory expansion circuit for ink jet print head identification circuit
US7231499B2 (en) * 2003-12-17 2007-06-12 Broadcom Corporation Prioritization of real time / non-real time memory requests from bus compliant devices
JP4494899B2 (ja) * 2004-07-29 2010-06-30 富士通株式会社 プロセッサデバッグ装置およびプロセッサデバッグ方法
JP4650552B2 (ja) * 2008-10-14 2011-03-16 ソニー株式会社 電子機器、コンテンツ推薦方法及びプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997875A (en) * 1973-01-08 1976-12-14 U.S. Philips Corporation Computer configuration with claim cycles
JPS5434500B2 (fr) * 1973-12-30 1979-10-27
US3967246A (en) * 1974-06-05 1976-06-29 Bell Telephone Laboratories, Incorporated Digital computer arrangement for communicating data via data buses

Also Published As

Publication number Publication date
US4115851A (en) 1978-09-19
JPS52130246A (en) 1977-11-01
DE2717702C2 (de) 1981-12-24
ES457764A1 (es) 1978-03-01
AU2441977A (en) 1978-10-26
DE2717702A1 (de) 1977-11-03
GB1568312A (en) 1980-05-29
BR7702569A (pt) 1978-02-21
CA1072216A (fr) 1980-02-19
JPS5756751B2 (fr) 1982-12-01
AU501316B2 (en) 1979-06-14
FR2349192B1 (fr) 1980-04-25

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Legal Events

Date Code Title Description
ST Notification of lapse