DE69128948D1 - Vorrichtung zur Steuerung des Zugangs zu einem Datenbus - Google Patents

Vorrichtung zur Steuerung des Zugangs zu einem Datenbus

Info

Publication number
DE69128948D1
DE69128948D1 DE69128948T DE69128948T DE69128948D1 DE 69128948 D1 DE69128948 D1 DE 69128948D1 DE 69128948 T DE69128948 T DE 69128948T DE 69128948 T DE69128948 T DE 69128948T DE 69128948 D1 DE69128948 D1 DE 69128948D1
Authority
DE
Germany
Prior art keywords
data bus
processing unit
host
local
computing system
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
DE69128948T
Other languages
English (en)
Other versions
DE69128948T2 (de
Inventor
Douglas D Gephardt
James R Macdonald
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE69128948D1 publication Critical patent/DE69128948D1/de
Publication of DE69128948T2 publication Critical patent/DE69128948T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4027—Coupling between buses using bus bridges
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Bus Control (AREA)
  • Multi Processors (AREA)
  • Selective Calling Equipment (AREA)
DE69128948T 1990-08-31 1991-07-23 Vorrichtung zur Steuerung des Zugangs zu einem Datenbus Expired - Lifetime DE69128948T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/576,061 US5218681A (en) 1990-08-31 1990-08-31 Apparatus for controlling access to a data bus

Publications (2)

Publication Number Publication Date
DE69128948D1 true DE69128948D1 (de) 1998-04-02
DE69128948T2 DE69128948T2 (de) 1998-09-17

Family

ID=24302809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128948T Expired - Lifetime DE69128948T2 (de) 1990-08-31 1991-07-23 Vorrichtung zur Steuerung des Zugangs zu einem Datenbus

Country Status (6)

Country Link
US (1) US5218681A (de)
EP (1) EP0473277B1 (de)
JP (1) JP3379762B2 (de)
AT (1) ATE163484T1 (de)
DE (1) DE69128948T2 (de)
ES (1) ES2112266T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9019001D0 (en) * 1990-08-31 1990-10-17 Ncr Co Work station including a direct memory access controller and interfacing means to microchannel means
GB9018992D0 (en) * 1990-08-31 1990-10-17 Ncr Co Internal bus for work station interfacing means
US5333277A (en) * 1992-01-10 1994-07-26 Exportech Trading Company Data buss interface and expansion system
US5816921A (en) * 1994-09-27 1998-10-06 Sega Enterprises, Ltd. Data transferring device and video game apparatus using the same
US5634112A (en) * 1994-10-14 1997-05-27 Compaq Computer Corporation Memory controller having precharge prediction based on processor and PCI bus cycles
US5673400A (en) * 1995-06-06 1997-09-30 National Semiconductor Corporation Method and apparatus for identifying and controlling a target peripheral device in a multiple bus system
US5909560A (en) * 1995-06-06 1999-06-01 National Semiconductor Corporation Target peripheral device detection in a multi-bus system
US7076584B2 (en) * 2003-05-09 2006-07-11 Freescale Semiconductor, Inc. Method and apparatus for interconnecting portions of circuitry within a data processing system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646232A (en) * 1984-01-03 1987-02-24 Texas Instruments Incorporated Microprocessor with integrated CPU, RAM, timer, bus arbiter data for communication system
US4777591A (en) * 1984-01-03 1988-10-11 Texas Instruments Incorporated Microprocessor with integrated CPU, RAM, timer, and bus arbiter for data communications systems
EP0297931B1 (de) * 1987-06-29 1995-12-13 Digital Equipment Corporation Busadapter für digitales Rechensystem
EP0335502A3 (de) * 1988-03-30 1991-07-03 Advanced Micro Devices, Inc. Mikrosteuereinheit und Verfahren dafür
US5129090A (en) * 1988-05-26 1992-07-07 Ibm Corporation System bus preempt for 80386 when running in an 80386/82385 microcomputer system with arbitration
US4935868A (en) * 1988-11-28 1990-06-19 Ncr Corporation Multiple port bus interface controller with slave bus
US5083259A (en) * 1988-12-07 1992-01-21 Xycom, Inc. Computer bus interconnection device
US5088028A (en) * 1989-04-07 1992-02-11 Tektronix, Inc. Lock converting bus-to-bus interface system

Also Published As

Publication number Publication date
JP3379762B2 (ja) 2003-02-24
ES2112266T3 (es) 1998-04-01
EP0473277B1 (de) 1998-02-25
EP0473277A2 (de) 1992-03-04
US5218681A (en) 1993-06-08
DE69128948T2 (de) 1998-09-17
JPH04332063A (ja) 1992-11-19
EP0473277A3 (de) 1994-01-19
ATE163484T1 (de) 1998-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition