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CA989520A - Memory access control circuit - Google Patents

Memory access control circuit

Info

Publication number
CA989520A
CA989520A CA170,059A CA170059A CA989520A CA 989520 A CA989520 A CA 989520A CA 170059 A CA170059 A CA 170059A CA 989520 A CA989520 A CA 989520A
Authority
CA
Canada
Prior art keywords
control circuit
access control
memory access
memory
circuit
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
CA170,059A
Other versions
CA170059S (en
Inventor
Brittain N. Catron
Phillip C. Schloss
Eugene F. Dumstorff
Larry L. Schroeder
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 US05/395,335 priority Critical patent/US3979727A/en
Application granted granted Critical
Publication of CA989520A publication Critical patent/CA989520A/en
Expired legal-status Critical Current

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
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection
    • G06F9/268—Microinstruction selection not based on processing results, e.g. interrupt, patch, first cycle store, diagnostic programs

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
  • Programmable Controllers (AREA)
CA170,059A 1972-06-29 1973-04-24 Memory access control circuit Expired CA989520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/395,335 US3979727A (en) 1972-06-29 1973-09-07 Memory access control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26773172A 1972-06-29 1972-06-29

Publications (1)

Publication Number Publication Date
CA989520A true CA989520A (en) 1976-05-18

Family

ID=23019924

Family Applications (1)

Application Number Title Priority Date Filing Date
CA170,059A Expired CA989520A (en) 1972-06-29 1973-04-24 Memory access control circuit

Country Status (6)

Country Link
JP (1) JPS5330466B2 (en)
CA (1) CA989520A (en)
DE (1) DE2326446C2 (en)
FR (1) FR2191779A5 (en)
GB (1) GB1414926A (en)
IT (1) IT989315B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037296B2 (en) * 1979-08-14 1985-08-26 日産自動車株式会社 fuel supply device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1549425A1 (en) * 1967-05-24 1900-01-01 Gen Electric Subroutine control unit in a data processing system

Also Published As

Publication number Publication date
JPS5330466B2 (en) 1978-08-26
GB1414926A (en) 1975-11-19
IT989315B (en) 1975-05-20
DE2326446C2 (en) 1984-05-17
DE2326446A1 (en) 1974-01-17
JPS4945653A (en) 1974-05-01
FR2191779A5 (en) 1974-02-01

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