GB1225048A - Service request priority resolver and encoder - Google Patents

Service request priority resolver and encoder

Info

Publication number
GB1225048A
GB1225048A GB33875/68A GB3387568A GB1225048A GB 1225048 A GB1225048 A GB 1225048A GB 33875/68 A GB33875/68 A GB 33875/68A GB 3387568 A GB3387568 A GB 3387568A GB 1225048 A GB1225048 A GB 1225048A
Authority
GB
United Kingdom
Prior art keywords
channels
signals
circuit
level
logic
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
Application number
GB33875/68A
Other languages
English (en)
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.)
Unisys Corp
Original Assignee
Burroughs Corp
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 Burroughs Corp filed Critical Burroughs Corp
Publication of GB1225048A publication Critical patent/GB1225048A/en
Expired legal-status Critical Current

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
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • G06F13/26—Handling requests for interconnection or transfer for access to input/output bus using interrupt with priority control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
  • Dc Digital Transmission (AREA)
  • Communication Control (AREA)
  • Logic Circuits (AREA)
GB33875/68A 1967-08-24 1968-07-16 Service request priority resolver and encoder Expired GB1225048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66308667A 1967-08-24 1967-08-24

Publications (1)

Publication Number Publication Date
GB1225048A true GB1225048A (en) 1971-03-17

Family

ID=24660413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33875/68A Expired GB1225048A (en) 1967-08-24 1968-07-16 Service request priority resolver and encoder

Country Status (6)

Country Link
US (1) US3534339A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4925384B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE719437A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1774680C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1582240A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1225048A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149160A (en) * 1983-10-26 1985-06-05 Philips Electronic Associated Digital code detector circuit with priority

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723973A (en) * 1970-09-30 1973-03-27 Honeywell Inf Systems Data communication controller having dual scanning
US3701109A (en) * 1970-11-09 1972-10-24 Bell Telephone Labor Inc Priority access system
US3789365A (en) * 1971-06-03 1974-01-29 Bunker Ramo Processor interrupt system
US3710351A (en) * 1971-10-12 1973-01-09 Hitachi Ltd Data transmitting apparatus in information exchange system using common bus
US3848233A (en) * 1971-11-01 1974-11-12 Bunker Ramo Method and apparatus for interfacing with a central processing unit
DE2210426C2 (de) * 1972-03-03 1973-11-08 Nixdorf Computer Ag, 4790 Paderborn Verfahren zur vorranggesteuerten Auswahl einer von mehreren Funktions einheiten zur Anschaltung an eine ihnen gemeinsam zugeordnete Einrichtung in Datenverarbeitungsanlagen und Schaltung zur Durchführung des Verfahrens
US3800287A (en) * 1972-06-27 1974-03-26 Honeywell Inf Systems Data processing system having automatic interrupt identification technique
US3832692A (en) * 1972-06-27 1974-08-27 Honeywell Inf Systems Priority network for devices coupled by a multi-line bus
US3829839A (en) * 1972-07-24 1974-08-13 California Inst Of Techn Priority interrupt system
IT971304B (it) * 1972-11-29 1974-04-30 Honeywell Inf Systems Sistema di accesso a priorita variabile dinamicamente
US3831151A (en) * 1973-04-04 1974-08-20 Gte Automatic Electric Lab Inc Sense line processor with priority interrupt arrangement for data processing systems
US4069510A (en) * 1974-10-30 1978-01-17 Motorola, Inc. Interrupt status register for interface adaptor chip
US3995258A (en) * 1975-06-30 1976-11-30 Honeywell Information Systems, Inc. Data processing system having a data integrity technique
US4023143A (en) * 1975-10-28 1977-05-10 Cincinnati Milacron Inc. Fixed priority interrupt control circuit
US4035780A (en) * 1976-05-21 1977-07-12 Honeywell Information Systems, Inc. Priority interrupt logic circuits
JPS5324649U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1976-08-06 1978-03-02
JPS5432142U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1977-08-05 1979-03-02
IT1100916B (it) * 1978-11-06 1985-09-28 Honeywell Inf Systems Apparato per gestione di richieste di trasferimento dati in sistemi di elaborazione dati
JPS56121126A (en) * 1980-02-26 1981-09-22 Toshiba Corp Priority level assigning circuit
IT1193650B (it) * 1983-01-31 1988-07-21 Honeywell Inf Systems Apparato di interruzione ad affidabilita' accresciuta
US4926313A (en) * 1988-09-19 1990-05-15 Unisys Corporation Bifurcated register priority system
US5032984A (en) * 1988-09-19 1991-07-16 Unisys Corporation Data bank priority system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1077339A (en) * 1965-04-05 1967-07-26 Ibm Control device for a data processor
US3353160A (en) * 1965-06-09 1967-11-14 Ibm Tree priority circuit
US3395394A (en) * 1965-10-20 1968-07-30 Gen Electric Priority selector
US3425037A (en) * 1966-03-29 1969-01-28 Computing Devices Canada Interrupt computer system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149160A (en) * 1983-10-26 1985-06-05 Philips Electronic Associated Digital code detector circuit with priority

Also Published As

Publication number Publication date
JPS4925384B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-06-29
US3534339A (en) 1970-10-13
DE1774680C3 (de) 1975-08-14
DE1774680A1 (de) 1972-02-24
DE1774680B2 (de) 1975-01-02
FR1582240A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-09-26
BE719437A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-01-16

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