DE3577936D1 - Busbreite-anpassungsgeraet. - Google Patents

Busbreite-anpassungsgeraet.

Info

Publication number
DE3577936D1
DE3577936D1 DE8585307572T DE3577936T DE3577936D1 DE 3577936 D1 DE3577936 D1 DE 3577936D1 DE 8585307572 T DE8585307572 T DE 8585307572T DE 3577936 T DE3577936 T DE 3577936T DE 3577936 D1 DE3577936 D1 DE 3577936D1
Authority
DE
Germany
Prior art keywords
bus width
width adapter
adapter
bus
width
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
Application number
DE8585307572T
Other languages
English (en)
Inventor
Alessandro Graciotti
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.)
Olivetti SpA
Original Assignee
Olivetti SpA
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 Olivetti SpA filed Critical Olivetti SpA
Application granted granted Critical
Publication of DE3577936D1 publication Critical patent/DE3577936D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4004Coupling between buses
    • G06F13/4009Coupling between buses with data restructuring
    • G06F13/4018Coupling between buses with data restructuring with data-width conversion
DE8585307572T 1984-12-10 1985-10-21 Busbreite-anpassungsgeraet. Expired - Lifetime DE3577936D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/679,704 US4716527A (en) 1984-12-10 1984-12-10 Bus converter

Publications (1)

Publication Number Publication Date
DE3577936D1 true DE3577936D1 (de) 1990-06-28

Family

ID=24728010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585307572T Expired - Lifetime DE3577936D1 (de) 1984-12-10 1985-10-21 Busbreite-anpassungsgeraet.

Country Status (4)

Country Link
US (1) US4716527A (de)
EP (1) EP0189638B1 (de)
JP (1) JP2573566B2 (de)
DE (1) DE3577936D1 (de)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175845A (ja) * 1985-01-31 1986-08-07 Toshiba Corp マイクロプロセツサシステム
JPS6226561A (ja) * 1985-07-26 1987-02-04 Toshiba Corp パ−ソナルコンピユ−タ
US5717440A (en) * 1986-10-06 1998-02-10 Hitachi, Ltd. Graphic processing having apparatus for outputting FIFO vacant information
BG45007A1 (de) * 1987-03-19 1989-03-15 Khristo A Turlakov
US5134706A (en) * 1987-08-07 1992-07-28 Bull Hn Information Systems Inc. Bus interface interrupt apparatus
GB2211326B (en) * 1987-10-16 1991-12-11 Hitachi Ltd Address bus control apparatus
US5014236A (en) * 1988-01-29 1991-05-07 International Business Machines Corporation Input/output bus expansion interface
JP2617974B2 (ja) * 1988-03-08 1997-06-11 富士通株式会社 データ処理装置
JPH01248256A (ja) * 1988-03-30 1989-10-03 Toshiba Corp 入出力制御方式
USRE39529E1 (en) 1988-04-18 2007-03-27 Renesas Technology Corp. Graphic processing apparatus utilizing improved data transfer to reduce memory size
JPH0736162B2 (ja) * 1988-04-18 1995-04-19 株式会社日立製作所 図形処理装置
US5073969A (en) * 1988-08-01 1991-12-17 Intel Corporation Microprocessor bus interface unit which changes scheduled data transfer indications upon sensing change in enable signals before receiving ready signal
US5123092A (en) * 1988-10-21 1992-06-16 Zenith Data Systems Corporation External expansion bus interface
GB2226665A (en) * 1988-12-30 1990-07-04 Copam Electronics Corp Computer memory structure
US5187795A (en) * 1989-01-27 1993-02-16 Hughes Aircraft Company Pipelined signal processor having a plurality of bidirectional configurable parallel ports that are configurable as individual ports or as coupled pair of ports
CA2007052A1 (en) * 1989-01-27 1990-07-27 Steven P. Davies Computer interface
US5168562A (en) * 1989-02-21 1992-12-01 Compaq Computer Corporation Method and apparatus for determining the allowable data path width of a device in a computer system to avoid interference with other devices
US5162675A (en) * 1989-04-14 1992-11-10 Digital Communications Associates, Inc. Dual personal computer architecture peripheral adapter board and circuit
US5119498A (en) * 1989-06-12 1992-06-02 International Business Machines Corporation Feature board with automatic adjustment to one of two bus widths based on sensing power level at one connection contact
JP2504206B2 (ja) * 1989-07-27 1996-06-05 三菱電機株式会社 バスコントロ―ラ
EP0449408A3 (en) * 1990-03-28 1993-07-21 Advanced Micro Devices, Inc. System adaptable for managing data
KR0181471B1 (ko) * 1990-07-27 1999-05-15 윌리암 피.브레이든 컴퓨터 데이타 경로배정 시스템
JPH05120124A (ja) * 1990-10-11 1993-05-18 Lsi Logic Corp マイクロプロセツサ内蔵型のメモリ制御構造
US5537624A (en) * 1991-02-12 1996-07-16 The United States Of America As Represented By The Secretary Of The Navy Data repacking circuit having toggle buffer for transferring digital data from P1Q1 bus width to P2Q2 bus width
EP0518488A1 (de) * 1991-06-12 1992-12-16 Advanced Micro Devices, Inc. Busschnittstelle und Verarbeitungssystem
US5511229A (en) * 1991-09-13 1996-04-23 Matsushita Electric Industrial Co., Ltd. Data processing system having a switching network connecting multiple peripheral devices using data paths capable of different data bus widths
EP0539782B1 (de) * 1991-10-28 1999-04-21 Eastman Kodak Company Steuerungsschaltung zur Datenübertragung von einem VME-Bus zu einer SCSI-Platteneinheit
JPH07504773A (ja) * 1992-03-18 1995-05-25 セイコーエプソン株式会社 マルチ幅のメモリ・サブシステムをサポートするためのシステム並びに方法
US5768548A (en) * 1992-04-15 1998-06-16 Intel Corporation Bus bridge for responding to received first write command by storing data and for responding to received second write command by transferring the stored data
US5467295A (en) * 1992-04-30 1995-11-14 Intel Corporation Bus arbitration with master unit controlling bus and locking a slave unit that can relinquish bus for other masters while maintaining lock on slave unit
US5335340A (en) * 1992-05-29 1994-08-02 The Whitaker Corporation Byte-swap hardware simulator for a sixteen bit microprocessor coupled to an eight bit peripheral unit
TW276312B (de) * 1992-10-20 1996-05-21 Cirrlis Logic Inc
IE922813A1 (en) * 1992-11-12 1994-05-18 Digital Equipment Internat Ltd Digital data storage system
JP2541767B2 (ja) * 1992-11-12 1996-10-09 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 スマ―ト・バス制御ユニット
EP0597601A1 (de) * 1992-11-13 1994-05-18 National Semiconductor Corporation Speicherbusschnittstelle mit erwägter Breiteninstellung
DE4239461A1 (de) * 1992-11-24 1994-05-26 Siemens Ag Anordnung zur Übertragung von Daten über einen Bus
US5404559A (en) * 1993-03-22 1995-04-04 Compaq Computer Corporation Apparatus for asserting an end of cycle signal to a processor bus in a computer system if a special cycle is detected on the processor bus without taking action on the special cycle
US5446845A (en) * 1993-09-20 1995-08-29 International Business Machines Corporation Steering logic to directly connect devices having different data word widths
US5373467A (en) * 1993-11-10 1994-12-13 Silicon Storage Technology, Inc. Solid state memory device capable of providing data signals on 2N data lines or N data lines
US5448521A (en) * 1993-11-12 1995-09-05 International Business Machines Corporation Connecting a short word length non-volatile memory to a long word length address/data multiplexed bus
US5630099A (en) * 1993-12-10 1997-05-13 Advanced Micro Devices Non-volatile memory array controller capable of controlling memory banks having variable bit widths
JP3060812B2 (ja) * 1993-12-27 2000-07-10 日本電気株式会社 情報処理装置
US5835960A (en) * 1994-01-07 1998-11-10 Cirrus Logic, Inc. Apparatus and method for interfacing a peripheral device having a ROM BIOS to a PCI bus
US5559969A (en) * 1994-08-09 1996-09-24 Unisys Corporation Method and apparatus for efficiently interfacing variable width data streams to a fixed width memory
US6480817B1 (en) * 1994-09-01 2002-11-12 Hynix Semiconductor, Inc. Integrated circuit I/O pad cell modeling
US5623697A (en) * 1994-11-30 1997-04-22 International Business Machines Corporation Bridge between two buses of a computer system with a direct memory access controller having a high address extension and a high count extension
US5898857A (en) * 1994-12-13 1999-04-27 International Business Machines Corporation Method and system for interfacing an upgrade processor to a data processing system
US6122696A (en) * 1995-01-03 2000-09-19 Brown; Andrew T. CPU-peripheral bus interface using byte enable signaling to control byte lane steering
US5664230A (en) * 1995-05-26 1997-09-02 Texas Instruments Incorporated Data processing with adaptable external burst memory access
US5793991A (en) * 1995-06-07 1998-08-11 Motorola Inc. Method of equalizing loads on a computer bus
US5671373A (en) * 1995-06-08 1997-09-23 Hewlett-Packard Company Data bus protocol for computer graphics system
KR0157924B1 (ko) * 1995-12-23 1998-12-15 문정환 데이타 전송 시스템 및 그 방법
US5828865A (en) * 1995-12-27 1998-10-27 Intel Corporation Dual mode bus bridge for interfacing a host bus and a personal computer interface bus
JPH09204243A (ja) * 1996-01-29 1997-08-05 Fujitsu Ltd データ転送方法
JP3562126B2 (ja) * 1996-04-09 2004-09-08 株式会社デンソー Dma制御装置
JPH1078934A (ja) * 1996-07-01 1998-03-24 Sun Microsyst Inc パケット切替えコンピュータ・システムのマルチサイズ・バス結合システム
US5970253A (en) * 1997-01-09 1999-10-19 Unisys Corporation Priority logic for selecting and stacking data
US5822766A (en) * 1997-01-09 1998-10-13 Unisys Corporation Main memory interface for high speed data transfer
US6167054A (en) * 1997-02-14 2000-12-26 Advanced Micro Devices, Inc. Method and apparatus providing programmable thresholds for full-duplex flow control in a network switch
US6013108A (en) * 1997-03-18 2000-01-11 Endevco Corporation Intelligent sensor system with network bus
US6032243A (en) * 1997-04-01 2000-02-29 United Microelectronics Corp. Data-transfer interconnection for signal and data transfer between CD-ROM decoder and buffer memory
US5935224A (en) * 1997-04-24 1999-08-10 Microsoft Corporation Method and apparatus for adaptively coupling an external peripheral device to either a universal serial bus port on a computer or hub or a game port on a computer
US5916312A (en) * 1997-05-06 1999-06-29 Sony Corporation ASIC having flexible host CPU interface for ASIC adaptable for multiple processor family members
US6189090B1 (en) * 1997-09-17 2001-02-13 Sony Corporation Digital signal processor with variable width instructions
JPH11134246A (ja) * 1997-10-31 1999-05-21 Brother Ind Ltd データ処理システム及びデータ処理システムにおける記憶装置からのデータ入力方法
JPH11134245A (ja) * 1997-10-31 1999-05-21 Brother Ind Ltd データ処理システム
CA2248745C (en) * 1998-02-13 2005-08-23 Arista Interactive Llc Wireless game control units
US6878066B2 (en) * 1998-02-13 2005-04-12 Freedom Wave Llc Wireless game control units
TW378770U (en) * 1998-06-24 2000-01-01 Primax Electronics Ltd Switching device for the mouse interface
US6738856B1 (en) * 1999-01-19 2004-05-18 Sequel Imaging, Inc External display peripheral for coupling to a universal serial bus port or hub on a computer
US7020726B2 (en) * 2001-05-24 2006-03-28 Lsi Logic Corporation Methods and apparatus for signaling to switch between different bus bandwidths
US20070005942A1 (en) * 2002-01-14 2007-01-04 Gil Vinitzky Converting a processor into a compatible virtual multithreaded processor (VMP)
JP2003208399A (ja) * 2002-01-15 2003-07-25 Hitachi Ltd データ処理装置
KR100449721B1 (ko) * 2002-05-20 2004-09-22 삼성전자주식회사 서로 다른 데이터 버스 폭을 갖는 장치들을 위한인터페이스 및 이를 이용한 데이터 전송방법
KR100450680B1 (ko) * 2002-07-29 2004-10-01 삼성전자주식회사 버스 대역폭을 증가시키기 위한 메모리 컨트롤러, 이를이용한 데이터 전송방법 및 이를 구비하는 컴퓨터 시스템
US8200879B1 (en) * 2004-06-29 2012-06-12 National Semiconductor Corporation Memory interface including an efficient variable-width bus
US10489315B2 (en) * 2017-09-06 2019-11-26 Arm Limited Dynamic adaptation of direct memory transfer in a data processing system with mismatched data-bus widths

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638195A (en) * 1970-04-13 1972-01-25 Battelle Development Corp Digital communication interface
US3976979A (en) * 1974-01-02 1976-08-24 Honeywell Information Systems, Inc. Coupler for providing data transfer between host and remote data processing units
FR2337376A1 (fr) * 1975-12-31 1977-07-29 Honeywell Bull Soc Ind Appareil permettant le transfert de blocs de donnees de longueur variable entre deux interfaces de largeur differente
US4214302A (en) * 1978-04-24 1980-07-22 Texas Instruments Incorporated Eight bit standard connector bus for sixteen bit microcomputer
US4447878A (en) * 1978-05-30 1984-05-08 Intel Corporation Apparatus and method for providing byte and word compatible information transfers
GB2021823B (en) * 1978-05-30 1983-04-27 Intel Corp Data transfer system
US4291370A (en) * 1978-08-23 1981-09-22 Westinghouse Electric Corp. Core memory interface for coupling a processor to a memory having a differing word length
US4309754A (en) * 1979-07-30 1982-01-05 International Business Machines Corp. Data interface mechanism for interfacing bit-parallel data buses of different bit width
US4287563A (en) * 1979-11-13 1981-09-01 Motorola, Inc. Versatile microprocessor bus interface
US4347567A (en) * 1980-02-06 1982-08-31 Rockwell International Corporation Computer system apparatus for improving access to memory by deferring write operations
US4390967A (en) * 1980-10-14 1983-06-28 Interface Systems, Inc. Interface system wherein the interface is addressed before data transfer from a selected device
US4443846A (en) * 1980-12-29 1984-04-17 Sperry Corporation Dual port exchange memory between multiple microprocessors
JPS59206970A (ja) * 1983-05-11 1984-11-22 Nec Corp マイクロプロセツサ
JPS6111873A (ja) * 1984-06-28 1986-01-20 Kokusai Electric Co Ltd 16ビツトマイクロプロセツサによる8ビツトおよび16ビツトの各周辺装置へのアクセス方法
JPS6143364A (ja) * 1984-08-06 1986-03-01 Nec Corp インタフエ−ス制御装置

Also Published As

Publication number Publication date
JP2573566B2 (ja) 1997-01-22
EP0189638A1 (de) 1986-08-06
EP0189638B1 (de) 1990-05-23
JPS61156358A (ja) 1986-07-16
US4716527A (en) 1987-12-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition