GB1508854A - Data handling system - Google Patents

Data handling system

Info

Publication number
GB1508854A
GB1508854A GB28183/75A GB2818375A GB1508854A GB 1508854 A GB1508854 A GB 1508854A GB 28183/75 A GB28183/75 A GB 28183/75A GB 2818375 A GB2818375 A GB 2818375A GB 1508854 A GB1508854 A GB 1508854A
Authority
GB
United Kingdom
Prior art keywords
bus
priority
controller
gating
interrupt
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
GB28183/75A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB28183/75A priority Critical patent/GB1508854A/en
Priority to FR7615579A priority patent/FR2316659A2/fr
Priority to IT24374/76A priority patent/IT1063309B/it
Priority to SE7606928A priority patent/SE7606928L/xx
Priority to JP51077957A priority patent/JPS529336A/ja
Publication of GB1508854A publication Critical patent/GB1508854A/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
    • G06F13/36—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
    • 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)
  • Memory System (AREA)
  • Multi Processors (AREA)
  • Bus Control (AREA)
GB28183/75A 1975-07-04 1975-07-04 Data handling system Expired GB1508854A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB28183/75A GB1508854A (en) 1975-07-04 1975-07-04 Data handling system
FR7615579A FR2316659A2 (fr) 1975-07-04 1976-05-17 Systeme de manipulation de donnees
IT24374/76A IT1063309B (it) 1975-07-04 1976-06-16 Sistema perfezionato per il trattamento dei dati
SE7606928A SE7606928L (sv) 1975-07-04 1976-06-17 Databehandlingssystem
JP51077957A JPS529336A (en) 1975-07-04 1976-07-02 Data processor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28183/75A GB1508854A (en) 1975-07-04 1975-07-04 Data handling system

Publications (1)

Publication Number Publication Date
GB1508854A true GB1508854A (en) 1978-04-26

Family

ID=10271603

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28183/75A Expired GB1508854A (en) 1975-07-04 1975-07-04 Data handling system

Country Status (5)

Country Link
JP (1) JPS529336A (enrdf_load_stackoverflow)
FR (1) FR2316659A2 (enrdf_load_stackoverflow)
GB (1) GB1508854A (enrdf_load_stackoverflow)
IT (1) IT1063309B (enrdf_load_stackoverflow)
SE (1) SE7606928L (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177873A (en) * 1985-07-19 1987-01-28 Marconi Electronic Devices Communications system
GB2179225A (en) * 1985-08-14 1987-02-25 Apple Computer Peripheral bus
US4875158A (en) * 1985-08-14 1989-10-17 Apple Computer, Inc. Method for requesting service by a device which generates a service request signal successively until it is serviced
US4912627A (en) * 1985-08-14 1990-03-27 Apple Computer, Inc. Method for storing a second number as a command address of a first peripheral device and a third number as a command address of a second peripheral device
US4918598A (en) * 1985-08-14 1990-04-17 Apple Computer, Inc. Method for selectively activating and deactivating devices having same first address and different extended addresses

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114049A (en) * 1978-02-24 1979-09-05 Toshiba Corp Optical pattern reading method
JPS58170613U (ja) * 1982-05-12 1983-11-14 株式会社日立製作所 光学系の構成
JPS6217878Y2 (enrdf_load_stackoverflow) * 1986-02-07 1987-05-08
EP0349905B1 (de) * 1988-07-07 1994-08-24 Siemens Aktiengesellschaft Schaltungsanordnung zur Prioritätsauswahl
EP1148575A4 (en) 1999-11-02 2003-04-09 Matsushita Electric Industrial Co Ltd DIELECTRIC FILTER

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1356269A (en) * 1971-09-25 1974-06-12 Ibm Digital data handling system
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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177873A (en) * 1985-07-19 1987-01-28 Marconi Electronic Devices Communications system
GB2177873B (en) * 1985-07-19 1989-11-22 Marconi Electronic Devices Communications system
GB2179225A (en) * 1985-08-14 1987-02-25 Apple Computer Peripheral bus
US4875158A (en) * 1985-08-14 1989-10-17 Apple Computer, Inc. Method for requesting service by a device which generates a service request signal successively until it is serviced
GB2179225B (en) * 1985-08-14 1990-02-21 Apple Computer Communication medium.
US4910655A (en) * 1985-08-14 1990-03-20 Apple Computer, Inc. Apparatus for transferring signals and data under the control of a host computer
US4912627A (en) * 1985-08-14 1990-03-27 Apple Computer, Inc. Method for storing a second number as a command address of a first peripheral device and a third number as a command address of a second peripheral device
US4918598A (en) * 1985-08-14 1990-04-17 Apple Computer, Inc. Method for selectively activating and deactivating devices having same first address and different extended addresses

Also Published As

Publication number Publication date
SE7606928L (sv) 1977-01-05
JPS529336A (en) 1977-01-24
IT1063309B (it) 1985-02-11
FR2316659B2 (enrdf_load_stackoverflow) 1979-04-06
FR2316659A2 (fr) 1977-01-28

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed