IT1149821B - Circuito d'accesso a canali d'elaboratore per dispositivi multipli di ingresso-uscita - Google Patents

Circuito d'accesso a canali d'elaboratore per dispositivi multipli di ingresso-uscita

Info

Publication number
IT1149821B
IT1149821B IT25697/80A IT2569780A IT1149821B IT 1149821 B IT1149821 B IT 1149821B IT 25697/80 A IT25697/80 A IT 25697/80A IT 2569780 A IT2569780 A IT 2569780A IT 1149821 B IT1149821 B IT 1149821B
Authority
IT
Italy
Prior art keywords
access
output devices
multiple input
processor channels
channels
Prior art date
Application number
IT25697/80A
Other languages
English (en)
Other versions
IT8025697A0 (it
Inventor
R C Norman Stanley
Tin Kam Bil
Original Assignee
Gte Automatic Electric Lab 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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of IT8025697A0 publication Critical patent/IT8025697A0/it
Application granted granted Critical
Publication of IT1149821B publication Critical patent/IT1149821B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Communication Control (AREA)
IT25697/80A 1979-11-05 1980-10-31 Circuito d'accesso a canali d'elaboratore per dispositivi multipli di ingresso-uscita IT1149821B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/091,422 US4314164A (en) 1979-11-05 1979-11-05 Computer channel access circuit for multiple input-output devices

Publications (2)

Publication Number Publication Date
IT8025697A0 IT8025697A0 (it) 1980-10-31
IT1149821B true IT1149821B (it) 1986-12-10

Family

ID=22227701

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25697/80A IT1149821B (it) 1979-11-05 1980-10-31 Circuito d'accesso a canali d'elaboratore per dispositivi multipli di ingresso-uscita

Country Status (4)

Country Link
US (1) US4314164A (it)
BE (1) BE885803A (it)
CA (1) CA1145003A (it)
IT (1) IT1149821B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423384A (en) * 1981-12-21 1983-12-27 Motorola, Inc. Asynchronous multi-port arbiter
JPS5966243A (ja) * 1982-10-08 1984-04-14 Hitachi Ltd デ−タ通信方式
US4535428A (en) * 1983-03-10 1985-08-13 International Business Machines Corporation Multi-port register implementations
US4558433A (en) * 1983-05-31 1985-12-10 International Business Machines Corporation Multi-port register implementations
US4577292A (en) * 1983-05-31 1986-03-18 International Business Machines Corporation Support circuitry for multi-port systems
US4616347A (en) * 1983-05-31 1986-10-07 International Business Machines Corporation Multi-port system
FR2547934B1 (fr) * 1983-06-21 1988-12-02 Electricite De France Installation de calcul a commutation automatique de peripheriques et peripherique propre a de telles commutations
US4667307A (en) * 1983-11-14 1987-05-19 Digital Equipment Corporation Circuit for selecting and locking in operation function circuitry
US4812840A (en) * 1987-06-29 1989-03-14 Ncr Corporation Multiple mode switching means
JPH01134557A (ja) * 1987-11-19 1989-05-26 Mitsubishi Electric Corp アービタ回路
JPH073940B2 (ja) * 1987-11-19 1995-01-18 三菱電機株式会社 アービタ回路
EP0329798B1 (en) * 1988-01-28 1990-12-19 Hewlett-Packard GmbH Formatter circuit
US5263171A (en) * 1990-03-27 1993-11-16 Cybex Corporation Device for interfacing two keyboards to one computer and for automatically connecting the active keyboard to the computer
EP0464237A1 (en) * 1990-07-03 1992-01-08 International Business Machines Corporation Bus arbitration scheme
JPH04250712A (ja) * 1991-01-25 1992-09-07 Toshiba Corp 半導体集積回路
JPH0683618A (ja) * 1992-08-31 1994-03-25 Nec Corp フラグ制御回路
US5357146A (en) * 1992-12-31 1994-10-18 At&T Bell Laboratories Glitch-free clock multiplexer
US5541582A (en) * 1994-01-13 1996-07-30 Datascape, Inc. Apparatus for data communication switching
US5831464A (en) * 1996-04-29 1998-11-03 International Business Machines Corporation Simplified differential single-shot
US7362134B2 (en) * 2006-03-24 2008-04-22 Freescale Semiconductor, Inc. Circuit and method for latch bypass

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107306A (en) * 1959-07-01 1963-10-15 Westinghouse Electric Corp Anticoincident pulse responsive circuit comprising logic components
US3982425A (en) * 1974-01-14 1976-09-28 Rockwell International Corporation Ultrasonic inspection system
GB1603647A (en) * 1977-04-29 1981-11-25 Bourner M Pulse order recognition circuit
US4249093A (en) * 1978-09-06 1981-02-03 Lockheed Electronics Co., Inc. Multiple request arbitration circuit

Also Published As

Publication number Publication date
BE885803A (fr) 1981-02-16
US4314164A (en) 1982-02-02
CA1145003A (en) 1983-04-19
IT8025697A0 (it) 1980-10-31

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