BR8106253A - Multiplexador de comunicacoes tendo esquema de prioridade variavel usando uma memoria apenas em leitura - Google Patents

Multiplexador de comunicacoes tendo esquema de prioridade variavel usando uma memoria apenas em leitura

Info

Publication number
BR8106253A
BR8106253A BR8106253A BR8106253A BR8106253A BR 8106253 A BR8106253 A BR 8106253A BR 8106253 A BR8106253 A BR 8106253A BR 8106253 A BR8106253 A BR 8106253A BR 8106253 A BR8106253 A BR 8106253A
Authority
BR
Brazil
Prior art keywords
reading
memory
priority scheme
variable priority
communications multiplexer
Prior art date
Application number
BR8106253A
Other languages
English (en)
Inventor
G Goss
A Kachemoy
Original Assignee
Honeywell Inf Systems
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 Honeywell Inf Systems filed Critical Honeywell Inf Systems
Publication of BR8106253A publication Critical patent/BR8106253A/pt

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
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G06F13/30—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal with priority control
    • 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
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • G06F13/225—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling with priority control
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Communication Control (AREA)
  • Small-Scale Networks (AREA)
BR8106253A 1980-09-29 1981-09-29 Multiplexador de comunicacoes tendo esquema de prioridade variavel usando uma memoria apenas em leitura BR8106253A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/191,875 US4385382A (en) 1980-09-29 1980-09-29 Communication multiplexer having a variable priority scheme using a read only memory

Publications (1)

Publication Number Publication Date
BR8106253A true BR8106253A (pt) 1982-06-15

Family

ID=22707258

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106253A BR8106253A (pt) 1980-09-29 1981-09-29 Multiplexador de comunicacoes tendo esquema de prioridade variavel usando uma memoria apenas em leitura

Country Status (8)

Country Link
US (1) US4385382A (pt)
JP (1) JPS6015972B2 (pt)
KR (1) KR830008232A (pt)
AU (1) AU551631B2 (pt)
BR (1) BR8106253A (pt)
CA (1) CA1179409A (pt)
MX (1) MX151197A (pt)
PH (1) PH18730A (pt)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441162A (en) * 1981-04-22 1984-04-03 Pitney Bowes Inc. Local network interface with control processor & DMA controller for coupling data processing stations to common serial communications medium
WO1983003316A1 (en) * 1982-03-16 1983-09-29 Burroughs Corp Memory selection in a multiple line adapter organization
US4520452A (en) * 1982-03-16 1985-05-28 Burroughs Corporation Memory selection in a multiple line adapter organization
GB2117939A (en) * 1982-03-29 1983-10-19 Ncr Co Data communication network and method of communication
US4560985B1 (en) * 1982-05-07 1994-04-12 Digital Equipment Corp Dual-count, round-robin ditributed arbitration technique for serial buses
US4494194A (en) * 1982-09-30 1985-01-15 Burroughs Corporation Line support processor for data transfer system
US4675812A (en) * 1983-02-14 1987-06-23 International Business Machines Corp. Priority circuit for channel subsystem having components with diverse and changing requirement for system resources
US4547880A (en) * 1983-05-13 1985-10-15 Able Computer Communication control apparatus for digital devices
US4626843A (en) * 1983-09-27 1986-12-02 Trw Inc. Multi-master communication bus system with parallel bus request arbitration
US5168566A (en) * 1983-11-25 1992-12-01 Sharp Kabushiki Kaisha Multi-task control device for central processor task execution control provided as a peripheral device and capable of prioritizing and timesharing the tasks
US4639859A (en) * 1984-05-24 1987-01-27 Rca Corporation Priority arbitration logic for a multi-master bus system
AU591057B2 (en) * 1984-06-01 1989-11-30 Digital Equipment Corporation Local area network for digital data processing system
US4975904A (en) * 1984-06-01 1990-12-04 Digital Equipment Corporation Local area network for digital data processing system including timer-regulated message transfer arrangement
US5058108A (en) * 1984-06-01 1991-10-15 Digital Equipment Corporation Local area network for digital data processing system
US4975905A (en) * 1984-06-01 1990-12-04 Digital Equipment Corporation Message transmission control arrangement for node in local area network
DE3585579D1 (de) * 1984-08-23 1992-04-16 Siemens Ag Datenuebertragungsverfahren ueber einen multiprozessorbus.
US4716525A (en) * 1985-04-15 1987-12-29 Concurrent Computer Corporation Peripheral controller for coupling data buses having different protocol and transfer rates
CA1263721A (en) * 1985-10-18 1989-12-05 Owen Lloyd Nelson Communication system for the transfer of small digital message blocks and large digital message blocks
US4796022A (en) * 1985-12-13 1989-01-03 Northern Telecom Limited Double transit bus system
GB2188759B (en) * 1986-04-05 1990-09-05 Burr Brown Ltd Data processing with op code early comparison
US4821177A (en) * 1986-09-02 1989-04-11 Honeywell Bull Inc. Apparatus for controlling system accesses having multiple command level conditional rotational multiple port servicing priority hierarchy
US4812968A (en) * 1986-11-12 1989-03-14 International Business Machines Corp. Method for controlling processor access to input/output devices
US5047923A (en) * 1987-08-21 1991-09-10 Siemens Aktiengesellschaft Modularly structured digital communication system for interconnecting terminal equipment and public networks
EP0398523A3 (en) * 1989-05-19 1991-08-21 Hitachi, Ltd. A device for data i/o and execution support in digital processors
US5347637A (en) * 1989-08-08 1994-09-13 Cray Research, Inc. Modular input/output system for supercomputers
JPH03185265A (ja) * 1989-12-15 1991-08-13 Hino Motors Ltd ディーゼルエンジンの燃料噴射装置
US5157781A (en) * 1990-01-02 1992-10-20 Motorola, Inc. Data processor test architecture
US5381413A (en) * 1992-12-28 1995-01-10 Starlight Networks Data throttling system for a communications network
US5499243A (en) * 1993-01-22 1996-03-12 Hall; Dennis R. Method and apparatus for coordinating transfer of information between a base station and a plurality of radios
US5692128A (en) * 1993-06-23 1997-11-25 Microtest, Inc. Computer network with reliable and efficient removable media services
EP0652523B1 (en) * 1993-11-10 1999-06-02 Nec Corporation Remote monitoring system
US5848072A (en) * 1995-08-10 1998-12-08 Motorola, Inc. Method of and apparatus for communicating messages
JP5909906B2 (ja) * 2011-07-21 2016-04-27 ソニー株式会社 情報処理装置、情報処理方法、プログラム、記録媒体、及び情報処理システム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702008A (en) * 1970-12-07 1972-10-31 Bell Telephone Labor Inc Program for polling party line data stations for message pickups
CA1086397A (en) * 1976-09-14 1980-09-23 Charles G. Diefenderfer Polling an data communication system having a pulse position to binary address conversion circuit
US4100533A (en) * 1976-12-06 1978-07-11 Bell Telephone Laboratories, Incorporated Multipoint polling technique
US4167782A (en) * 1977-12-22 1979-09-11 Honeywell Information Systems Inc. Continuous updating of cache store

Also Published As

Publication number Publication date
CA1179409A (en) 1984-12-11
PH18730A (en) 1985-09-16
AU7508781A (en) 1982-04-08
JPS6015972B2 (ja) 1985-04-23
JPS57132239A (en) 1982-08-16
US4385382A (en) 1983-05-24
AU551631B2 (en) 1986-05-08
MX151197A (es) 1984-10-09
KR830008232A (ko) 1983-11-16

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