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GB2008293B - Data processing system with read operation splitting - Google Patents

Data processing system with read operation splitting

Info

Publication number
GB2008293B
GB2008293B GB7841841A GB7841841A GB2008293B GB 2008293 B GB2008293 B GB 2008293B GB 7841841 A GB7841841 A GB 7841841A GB 7841841 A GB7841841 A GB 7841841A GB 2008293 B GB2008293 B GB 2008293B
Authority
GB
United Kingdom
Prior art keywords
data processing
processing system
read operation
operation splitting
splitting
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
GB7841841A
Other versions
GB2008293A (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.)
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
Publication of GB2008293A publication Critical patent/GB2008293A/en
Application granted granted Critical
Publication of GB2008293B publication Critical patent/GB2008293B/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)
GB7841841A 1977-10-25 1978-10-25 Data processing system with read operation splitting Expired GB2008293B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84541177A 1977-10-25 1977-10-25

Publications (2)

Publication Number Publication Date
GB2008293A GB2008293A (en) 1979-05-31
GB2008293B true GB2008293B (en) 1982-05-06

Family

ID=25295177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7841841A Expired GB2008293B (en) 1977-10-25 1978-10-25 Data processing system with read operation splitting

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES489424A0 (en) * 1979-03-12 1981-02-16 Digital Equipment Corp IMPROVEMENTS INTRODUCED INTO AN INFORMATION DATA PROCESSING DEVICE.
FR2474199B1 (en) * 1980-01-21 1986-05-16 Bull Sa DEVICE FOR OVERLAPPING SUCCESSIVE PHASES OF INFORMATION TRANSFER BETWEEN SEVERAL UNITS OF AN INFORMATION PROCESSING SYSTEM
US4345309A (en) * 1980-01-28 1982-08-17 Digital Equipment Corporation Relating to cached multiprocessor system with pipeline timing
GB2091919B (en) * 1980-03-21 1984-08-08 Concurrent Processing Systems Computer system and interface therefor
NL8002346A (en) * 1980-04-23 1981-11-16 Philips Nv MULTI DATA SOURCE AND DATA RECEIVER SYSTEM WITH COMMUNICATION BUS.
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 (en) 1979-05-25
CA1114517A (en) 1981-12-15
DE2846488A1 (en) 1979-05-03
FR2407522B1 (en) 1989-03-31
JPS6035698B2 (en) 1985-08-16
GB2008293A (en) 1979-05-31
JPS5484940A (en) 1979-07-06

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19981024

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)