CA1114517A - Data processing system with read operation splitting - Google Patents

Data processing system with read operation splitting

Info

Publication number
CA1114517A
CA1114517A CA314,208A CA314208A CA1114517A CA 1114517 A CA1114517 A CA 1114517A CA 314208 A CA314208 A CA 314208A CA 1114517 A CA1114517 A CA 1114517A
Authority
CA
Canada
Prior art keywords
data
signals
identification
information
transfer
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
CA314,208A
Other languages
English (en)
French (fr)
Inventor
Richard J. Casabona
John V. Levy
Robert E. Stewart
David P. Rodgers
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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 Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of CA1114517A publication Critical patent/CA1114517A/en
Expired legal-status Critical Current

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
    • G06F13/36—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; 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4208—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
    • G06F13/4217—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with synchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Systems (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)
  • Bus Control (AREA)
CA314,208A 1977-10-25 1978-10-25 Data processing system with read operation splitting Expired CA1114517A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84541177A 1977-10-25 1977-10-25
US845,411 1977-10-25

Publications (1)

Publication Number Publication Date
CA1114517A true CA1114517A (en) 1981-12-15

Family

ID=25295177

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314,208A Expired CA1114517A (en) 1977-10-25 1978-10-25 Data processing system with read operation splitting

Country Status (5)

Country Link
JP (1) JPS6035698B2 (de)
CA (1) CA1114517A (de)
DE (1) DE2846488A1 (de)
FR (1) FR2407522B1 (de)
GB (1) GB2008293B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES489424A0 (es) * 1979-03-12 1981-02-16 Digital Equipment Corp Perfeccionamientos introducidos en un aparato de tratamien- to de datos de informacion.
FR2474199B1 (fr) * 1980-01-21 1986-05-16 Bull Sa Dispositif pour superposer les phases successives du transfert des informations entre plusieurs unites d'un systeme de traitement de l'information
US4345309A (en) * 1980-01-28 1982-08-17 Digital Equipment Corporation Relating to cached multiprocessor system with pipeline timing
JPS57500445A (de) * 1980-03-21 1982-03-11
NL8002346A (nl) * 1980-04-23 1981-11-16 Philips Nv Multi databron- en dataontvangersysteem met communicatiebus.
US4476527A (en) * 1981-12-10 1984-10-09 Data General Corporation Synchronous data bus with automatically variable data rate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614741A (en) * 1970-03-23 1971-10-19 Digital Equipment Corp Data processing system with instruction addresses identifying one of a plurality of registers including the program counter
US3614740A (en) * 1970-03-23 1971-10-19 Digital Equipment Corp Data processing system with circuits for transferring between operating routines, interruption routines and subroutines
US3815099A (en) * 1970-04-01 1974-06-04 Digital Equipment Corp Data processing system
US3710324A (en) * 1970-04-01 1973-01-09 Digital Equipment Corp Data processing system
US3999163A (en) * 1974-01-10 1976-12-21 Digital Equipment Corporation Secondary storage facility for data processing systems
US3997896A (en) * 1975-06-30 1976-12-14 Honeywell Information Systems, Inc. Data processing system providing split bus cycle operation
US4041472A (en) * 1976-04-29 1977-08-09 Ncr Corporation Data processing internal communications system having plural time-shared intercommunication buses and inter-bus communication means

Also Published As

Publication number Publication date
FR2407522A1 (fr) 1979-05-25
GB2008293B (en) 1982-05-06
FR2407522B1 (fr) 1989-03-31
GB2008293A (en) 1979-05-31
JPS6035698B2 (ja) 1985-08-16
JPS5484940A (en) 1979-07-06
DE2846488A1 (de) 1979-05-03

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Legal Events

Date Code Title Description
MKEX Expiry