HK33692A - Computer system having direct memory access - Google Patents

Computer system having direct memory access

Info

Publication number
HK33692A
HK33692A HK336/92A HK33692A HK33692A HK 33692 A HK33692 A HK 33692A HK 336/92 A HK336/92 A HK 336/92A HK 33692 A HK33692 A HK 33692A HK 33692 A HK33692 A HK 33692A
Authority
HK
Hong Kong
Prior art keywords
computer system
memory access
direct memory
direct
access
Prior art date
Application number
HK336/92A
Other languages
English (en)
Inventor
Chester Asbury Heath
Jorge Eduardo Lenta
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of HK33692A publication Critical patent/HK33692A/xx

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
    • 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
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G06F13/30—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal with priority control
    • 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
    • G06F13/3625—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using a time dependent access
    • 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
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
    • G06F13/374—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a self-select method with individual priority code comparator

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
HK336/92A 1987-03-27 1992-05-07 Computer system having direct memory access HK33692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/030,786 US4901234A (en) 1987-03-27 1987-03-27 Computer system having programmable DMA control

Publications (1)

Publication Number Publication Date
HK33692A true HK33692A (en) 1992-05-15

Family

ID=21856024

Family Applications (2)

Application Number Title Priority Date Filing Date
HK336/92A HK33692A (en) 1987-03-27 1992-05-07 Computer system having direct memory access
HK97101822A HK1000295A1 (en) 1987-03-27 1997-09-24 Computer system having a multi-channel direct memory access arbitration

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK97101822A HK1000295A1 (en) 1987-03-27 1997-09-24 Computer system having a multi-channel direct memory access arbitration

Country Status (17)

Country Link
US (1) US4901234A (el)
EP (1) EP0288607B1 (el)
JP (1) JPS63244158A (el)
KR (1) KR950008227B1 (el)
CN (1) CN1013068B (el)
AR (1) AR240681A1 (el)
AT (1) ATE81220T1 (el)
BE (1) BE1000819A3 (el)
DE (3) DE3782045T2 (el)
ES (1) ES2035027T3 (el)
FR (1) FR2613095A1 (el)
GB (1) GB2202977B (el)
GR (1) GR3006676T3 (el)
HK (2) HK33692A (el)
IT (1) IT1216132B (el)
NL (1) NL185106C (el)
SG (1) SG13092G (el)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185864A (en) * 1989-06-16 1993-02-09 International Business Machines Corporation Interrupt handling for a computing system with logical devices and interrupt reset
US5307468A (en) * 1989-08-23 1994-04-26 Digital Equipment Corporation Data processing system and method for controlling the latter as well as a CPU board
DE3928481C2 (de) * 1989-08-29 1994-09-22 Diehl Gmbh & Co Prioritätsorientiertes dezentrales Busvergabesystem
EP0453863A2 (en) * 1990-04-27 1991-10-30 National Semiconductor Corporation Methods and apparatus for implementing a media access control/host system interface
US5519684A (en) * 1990-05-14 1996-05-21 Casio Computer Co., Ltd. Digital recorder for processing in parallel data stored in multiple tracks
US5974015A (en) * 1990-05-14 1999-10-26 Casio Computer Co., Ltd. Digital recorder
DE69118781T2 (de) * 1990-08-31 1996-10-31 Advanced Micro Devices Inc Übertragungssteuerungssystem für einen Rechner und Peripheriegeräte
US5581530A (en) * 1990-09-06 1996-12-03 Casio Computer Co., Ltd. Digital recorder for processing of parallel data stored in multiple tracks and using cross-fade processing
WO1992015060A1 (en) * 1991-02-19 1992-09-03 International Business Machines Corporation Channel selection arbitration
US5530901A (en) * 1991-11-28 1996-06-25 Ricoh Company, Ltd. Data Transmission processing system having DMA channels running cyclically to execute data transmission from host to memory and from memory to processing unit successively
US6026443A (en) * 1992-12-22 2000-02-15 Sun Microsystems, Inc. Multi-virtual DMA channels, multi-bandwidth groups, host based cellification and reassembly, and asynchronous transfer mode network interface
US5640598A (en) * 1994-07-12 1997-06-17 Mitsubishi Denki Kabushiki Kaisha Data transfer processing system
US5495614A (en) * 1994-12-14 1996-02-27 International Business Machines Corporation Interface control process between using programs and shared hardware facilities
JP3320233B2 (ja) * 1995-02-06 2002-09-03 キヤノン株式会社 記録装置
US5664197A (en) * 1995-04-21 1997-09-02 Intel Corporation Method and apparatus for handling bus master channel and direct memory access (DMA) channel access requests at an I/O controller
US5761534A (en) * 1996-05-20 1998-06-02 Cray Research, Inc. System for arbitrating packetized data from the network to the peripheral resources and prioritizing the dispatching of packets onto the network
US6154793A (en) * 1997-04-30 2000-11-28 Zilog, Inc. DMA with dynamically assigned channels, flexible block boundary notification and recording, type code checking and updating, commands, and status reporting
US6092137A (en) * 1997-11-26 2000-07-18 Industrial Technology Research Institute Fair data bus arbitration system which assigns adjustable priority values to competing sources
US6473780B1 (en) * 1998-04-01 2002-10-29 Intel Corporation Scheduling of direct memory access
US6260081B1 (en) * 1998-11-24 2001-07-10 Advanced Micro Devices, Inc. Direct memory access engine for supporting multiple virtual direct memory access channels
US7089344B1 (en) * 2000-06-09 2006-08-08 Motorola, Inc. Integrated processor platform supporting wireless handheld multi-media devices
JP2003006003A (ja) * 2001-06-18 2003-01-10 Mitsubishi Electric Corp Ｄｍａコントローラおよび半導体集積回路
JP4245852B2 (ja) * 2002-03-19 2009-04-02 富士通マイクロエレクトロニクス株式会社 ダイレクトメモリアクセス装置
US7062582B1 (en) 2003-03-14 2006-06-13 Marvell International Ltd. Method and apparatus for bus arbitration dynamic priority based on waiting period
US20050038946A1 (en) * 2003-08-12 2005-02-17 Tadpole Computer, Inc. System and method using a high speed interface in a system having co-processors
US7240129B2 (en) * 2004-02-25 2007-07-03 Analog Devices, Inc. DMA controller having programmable channel priority
US7533195B2 (en) * 2004-02-25 2009-05-12 Analog Devices, Inc. DMA controller for digital signal processors
US7130982B2 (en) * 2004-03-31 2006-10-31 International Business Machines Corporation Logical memory tags for redirected DMA operations
US8006001B2 (en) * 2004-09-22 2011-08-23 Lsi Corporation Method and apparatus for manipulating direct memory access transfers
US7386642B2 (en) * 2005-01-28 2008-06-10 Sony Computer Entertainment Inc. IO direct memory access system and method
JP2006216042A (ja) * 2005-02-04 2006-08-17 Sony Computer Entertainment Inc 割り込み処理のためのシステムおよび方法
US7680972B2 (en) * 2005-02-04 2010-03-16 Sony Computer Entertainment Inc. Micro interrupt handler
US7483422B2 (en) * 2005-02-10 2009-01-27 International Business Machines Corporation Data processing system, method and interconnect fabric for selective link information allocation in a data processing system
US7395361B2 (en) * 2005-08-19 2008-07-01 Qualcomm Incorporated Apparatus and methods for weighted bus arbitration among a plurality of master devices based on transfer direction and/or consumed bandwidth
US20090259789A1 (en) * 2005-08-22 2009-10-15 Shuhei Kato Multi-processor, direct memory access controller, and serial data transmitting/receiving apparatus
JP4499008B2 (ja) * 2005-09-15 2010-07-07 富士通マイクロエレクトロニクス株式会社 Ｄｍａ転送システム
US7689732B2 (en) * 2006-02-24 2010-03-30 Via Technologies, Inc. Method for improving flexibility of arbitration of direct memory access (DMA) engines requesting access to shared DMA channels
CN106294233B (zh) * 2015-06-29 2019-05-03 华为技术有限公司 一种直接内存访问的传输控制方法及装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL283852A (el) * 1961-10-06
US3766526A (en) * 1972-10-10 1973-10-16 Atomic Energy Commission Multi-microprogrammed input-output processor
IT971304B (it) * 1972-11-29 1974-04-30 Honeywell Inf Systems Sistema di accesso a priorita variabile dinamicamente
US4075691A (en) * 1975-11-06 1978-02-21 Bunker Ramo Corporation Communication control unit
US4400771A (en) * 1975-12-04 1983-08-23 Tokyo Shibaura Electric Co., Ltd. Multi-processor system with programmable memory-access priority control
US4090238A (en) * 1976-10-04 1978-05-16 Rca Corporation Priority vectored interrupt using direct memory access
US4257095A (en) * 1978-06-30 1981-03-17 Intel Corporation System bus arbitration, circuitry and methodology
US4437157A (en) * 1978-07-20 1984-03-13 Sperry Corporation Dynamic subchannel allocation
CA1132265A (en) * 1978-12-26 1982-09-21 Minoru Inoshita Direct memory access revolving priority apparatus
US4558412A (en) * 1978-12-26 1985-12-10 Honeywell Information Systems Inc. Direct memory access revolving priority apparatus
US4281381A (en) * 1979-05-14 1981-07-28 Bell Telephone Laboratories, Incorporated Distributed first-come first-served bus allocation apparatus
US4371932A (en) * 1979-07-30 1983-02-01 International Business Machines Corp. I/O Controller for transferring data between a host processor and multiple I/O units
US4516199A (en) * 1979-10-11 1985-05-07 Nanodata Computer Corporation Data processing system
IT1209338B (it) * 1980-07-24 1989-07-16 Sits Soc It Telecom Siemens Disposizione circuitale per il trasferimento di dati tra la memoria di un elaboratore elettronico e le unita' di interfaccia delle periferiche ad esso collegate.
JPS58223833A (ja) * 1982-06-23 1983-12-26 Fujitsu Ltd ダイレクト・メモリ・アクセス制御方式
US4528626A (en) * 1984-03-19 1985-07-09 International Business Machines Corporation Microcomputer system with bus control means for peripheral processing devices
US4688166A (en) * 1984-08-03 1987-08-18 Motorola Computer Systems, Inc. Direct memory access controller supporting multiple input/output controllers and memory units
JPS61131153A (ja) * 1984-11-30 1986-06-18 Toshiba Corp Ｄｍａ転送制御方式
JPS61133461A (ja) * 1984-12-04 1986-06-20 Fujitsu Ltd Ｄｍａ転送制御方式
US4847750A (en) * 1986-02-13 1989-07-11 Intelligent Instrumentation, Inc. Peripheral DMA controller for data acquisition system

Also Published As

Publication number Publication date
ATE81220T1 (de) 1992-10-15
NL185106B (nl) 1989-08-16
IT1216132B (it) 1990-02-22
KR880011675A (ko) 1988-10-29
ES2035027T3 (es) 1993-04-16
GB2202977B (en) 1991-07-24
SG13092G (en) 1992-04-16
CN88100962A (zh) 1988-12-14
JPH0467224B2 (el) 1992-10-27
IT8819827A0 (it) 1988-03-18
EP0288607B1 (en) 1992-09-30
NL8800715A (nl) 1988-10-17
NL185106C (nl) 1990-01-16
US4901234A (en) 1990-02-13
CN1013068B (zh) 1991-07-03
JPS63244158A (ja) 1988-10-11
GB2202977A (en) 1988-10-05
DE8804104U1 (el) 1988-06-30
DE3782045D1 (de) 1992-11-05
BE1000819A3 (fr) 1989-04-11
GB8728927D0 (en) 1988-01-27
EP0288607A1 (en) 1988-11-02
KR950008227B1 (ko) 1995-07-26
FR2613095A1 (fr) 1988-09-30
HK1000295A1 (en) 1998-02-20
AR240681A1 (es) 1990-08-31
DE3810231A1 (de) 1988-10-06
DE3782045T2 (de) 1993-04-15
GR3006676T3 (el) 1993-06-30
DE3810231C2 (el) 1989-10-26

Similar Documents

Publication Publication Date Title
GB2202977B (en) Computer system having direct memory access
GB2193017B (en) Improved memory access system
GB2201269B (en) Direct memory access system for microcontroller
GB2175716B (en) Computer memory management system
EP0166268A3 (en) Shared memory access for data processing system
EP0320099A3 (en) Multi-cashe data storage system multi-cashe data storage system
ZA893785B (en) Data memory system
KR910007036B1 (en) Data storage system
GB8704850D0 (en) Access systems
GB8822860D0 (en) Virtual memory computer system
EP0282248A3 (en) Block access system using cache memory
GB8825764D0 (en) Computer memory addressing system
AU574884B2 (en) Multiprocessor memory access system
EP0279555A3 (en) Computer data entry system
GB2215887B (en) Data memory system
EP0323080A3 (en) Multiprocessor memory access control system
GB2202975B (en) Computer system with direct memory access channel arbitration
GB8702785D0 (en) Memory system
ZA883413B (en) Data storage system
ZA878132B (en) Virtual memory computer system
EP0311883A3 (en) Memory system
GB8712079D0 (en) Memory access
IE853212L (en) Computer memory management system
GB8623591D0 (en) Computer memory disc
GB8611385D0 (en) Computer memory expansion