IT1186409B - Disposizione atta a suddividere priorita' tra calcolatori che cooperano - Google Patents

Disposizione atta a suddividere priorita' tra calcolatori che cooperano

Info

Publication number
IT1186409B
IT1186409B IT23124/85A IT2312485A IT1186409B IT 1186409 B IT1186409 B IT 1186409B IT 23124/85 A IT23124/85 A IT 23124/85A IT 2312485 A IT2312485 A IT 2312485A IT 1186409 B IT1186409 B IT 1186409B
Authority
IT
Italy
Prior art keywords
priority
bus
access
priority unit
low
Prior art date
Application number
IT23124/85A
Other languages
English (en)
Other versions
IT8523124A0 (it
Inventor
Lars Orjan Kling
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IT8523124A0 publication Critical patent/IT8523124A0/it
Application granted granted Critical
Publication of IT1186409B publication Critical patent/IT1186409B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G06F13/366—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using a centralised polling arbiter
    • 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G06F13/364—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Bus Control (AREA)
  • Multi Processors (AREA)
  • Hardware Redundancy (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Steroid Compounds (AREA)
  • Transmitters (AREA)
  • Electronic Switches (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Saccharide Compounds (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
IT23124/85A 1984-12-12 1985-12-06 Disposizione atta a suddividere priorita' tra calcolatori che cooperano IT1186409B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8406312A SE445861B (sv) 1984-12-12 1984-12-12 Prioritetsfordelningsanordning for datorer

Publications (2)

Publication Number Publication Date
IT8523124A0 IT8523124A0 (it) 1985-12-06
IT1186409B true IT1186409B (it) 1987-11-26

Family

ID=20358135

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23124/85A IT1186409B (it) 1984-12-12 1985-12-06 Disposizione atta a suddividere priorita' tra calcolatori che cooperano

Country Status (23)

Country Link
US (1) US4791563A (it)
EP (1) EP0205472B1 (it)
JP (1) JPH0630086B2 (it)
KR (1) KR910003015B1 (it)
AT (1) ATE45825T1 (it)
BR (1) BR8507112A (it)
CA (1) CA1241767A (it)
DE (1) DE3572552D1 (it)
DK (1) DK165077C (it)
EG (1) EG17290A (it)
ES (1) ES8702677A1 (it)
FI (1) FI88549C (it)
GR (1) GR852847B (it)
IE (1) IE57050B1 (it)
IT (1) IT1186409B (it)
MA (1) MA20594A1 (it)
MX (1) MX158467A (it)
NO (1) NO170999C (it)
NZ (1) NZ214010A (it)
PT (1) PT81612B (it)
SE (1) SE445861B (it)
TR (1) TR22658A (it)
WO (1) WO1986003606A1 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU595691B2 (en) * 1987-03-26 1990-04-05 Honeywell Bull Inc. Tandem priority resolver
JP2635639B2 (ja) * 1987-12-28 1997-07-30 株式会社東芝 データ処理装置
JP2635995B2 (ja) * 1988-05-18 1997-07-30 株式会社日立製作所 プロセッサを有するシステム
JPH0289149A (ja) * 1988-09-26 1990-03-29 Matsushita Electric Ind Co Ltd バス優先順位装置
EP0426413B1 (en) * 1989-11-03 1997-05-07 Compaq Computer Corporation Multiprocessor arbitration in single processor arbitration schemes
US5081578A (en) * 1989-11-03 1992-01-14 Ncr Corporation Arbitration apparatus for a parallel bus
EP0444711A3 (en) * 1990-03-02 1994-07-20 Fujitsu Ltd Bus control system in a multi-processor system
US5414818A (en) * 1990-04-06 1995-05-09 Mti Technology Corporation Method and apparatus for controlling reselection of a bus by overriding a prioritization protocol
US5297277A (en) * 1990-08-31 1994-03-22 International Business Machines Corporation Apparatus for monitoring data transfers of an oemi channel interface
JPH06110825A (ja) * 1992-09-30 1994-04-22 Nec Corp 共通バス制御方式
US5519838A (en) * 1994-02-24 1996-05-21 Hewlett-Packard Company Fast pipelined distributed arbitration scheme
US5740383A (en) * 1995-12-22 1998-04-14 Cirrus Logic, Inc. Dynamic arbitration priority
US6374319B1 (en) 1999-06-22 2002-04-16 Philips Electronics North America Corporation Flag-controlled arbitration of requesting agents
FR2894696A1 (fr) 2005-12-14 2007-06-15 Thomson Licensing Sas Procede d'acces a un bus de transmission de donnees, dispositif et systeme correspondant

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812611B2 (ja) * 1975-10-15 1983-03-09 株式会社東芝 デ−タテンソウセイギヨホウシキ
US4059851A (en) * 1976-07-12 1977-11-22 Ncr Corporation Priority network for devices coupled by a common bus
US4096571A (en) * 1976-09-08 1978-06-20 Codex Corporation System for resolving memory access conflicts among processors and minimizing processor waiting times for access to memory by comparing waiting times and breaking ties by an arbitrary priority ranking
US4096569A (en) * 1976-12-27 1978-06-20 Honeywell Information Systems Inc. Data processing system having distributed priority network with logic for deactivating information transfer requests
SE414087B (sv) * 1977-02-28 1980-07-07 Ellemtel Utvecklings Ab Anordning i ett datorsystem vid utsendning av signaler fran en processor till en eller flera andra processorer varvid prioriterade signaler sends direkt utan tidsfordrojning och oprioriterade signalers ordningsfoljd ...
US4121285A (en) * 1977-04-01 1978-10-17 Ultronic Systems Corporation Automatic alternator for priority circuit
US4257095A (en) * 1978-06-30 1981-03-17 Intel Corporation System bus arbitration, circuitry and methodology
IT1100916B (it) * 1978-11-06 1985-09-28 Honeywell Inf Systems Apparato per gestione di richieste di trasferimento dati in sistemi di elaborazione dati
US4271467A (en) * 1979-01-02 1981-06-02 Honeywell Information Systems Inc. I/O Priority resolver

Also Published As

Publication number Publication date
US4791563A (en) 1988-12-13
CA1241767A (en) 1988-09-06
DK381686A (da) 1986-08-11
SE445861B (sv) 1986-07-21
BR8507112A (pt) 1987-03-31
EP0205472B1 (en) 1989-08-23
IE57050B1 (en) 1992-04-08
DE3572552D1 (en) 1989-09-28
GR852847B (it) 1985-12-02
IT8523124A0 (it) 1985-12-06
ES549805A0 (es) 1986-12-16
IE853053L (en) 1986-06-12
NO862764D0 (no) 1986-07-08
FI88549C (sv) 1993-05-25
JPS62501039A (ja) 1987-04-23
DK165077C (da) 1993-02-22
EP0205472A1 (en) 1986-12-30
JPH0630086B2 (ja) 1994-04-20
PT81612A (en) 1986-01-02
NZ214010A (en) 1988-10-28
DK381686D0 (da) 1986-08-11
MA20594A1 (fr) 1986-07-01
FI862682A (fi) 1986-06-24
KR910003015B1 (ko) 1991-05-15
SE8406312L (sv) 1986-06-13
WO1986003606A1 (en) 1986-06-19
DK165077B (da) 1992-10-05
TR22658A (tr) 1988-02-08
NO170999B (no) 1992-09-28
PT81612B (pt) 1987-09-30
MX158467A (es) 1989-02-03
SE8406312D0 (sv) 1984-12-12
NO862764L (no) 1986-07-08
FI862682A0 (fi) 1986-06-24
ES8702677A1 (es) 1986-12-16
KR870700156A (ko) 1987-03-14
EG17290A (en) 1989-06-30
NO170999C (no) 1993-01-06
ATE45825T1 (de) 1989-09-15
FI88549B (fi) 1993-02-15

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961218