JPS522127A - Memory access control circuit - Google Patents

Memory access control circuit

Info

Publication number
JPS522127A
JPS522127A JP50076642A JP7664275A JPS522127A JP S522127 A JPS522127 A JP S522127A JP 50076642 A JP50076642 A JP 50076642A JP 7664275 A JP7664275 A JP 7664275A JP S522127 A JPS522127 A JP S522127A
Authority
JP
Japan
Prior art keywords
memory access
control circuit
access control
memory
access
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.)
Pending
Application number
JP50076642A
Other languages
Japanese (ja)
Inventor
Hiroshi Dewa
Akio Shoda
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50076642A priority Critical patent/JPS522127A/en
Publication of JPS522127A publication Critical patent/JPS522127A/en
Pending legal-status Critical Current

Links

Landscapes

  • Multi Processors (AREA)

Abstract

PURPOSE: To provide a memory accessible memory preference circuit which can access within time for enabling of waiting memory access of plural memory access units operated asynchronously from each other.
COPYRIGHT: (C)1977,JPO&Japio
JP50076642A 1975-06-24 1975-06-24 Memory access control circuit Pending JPS522127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50076642A JPS522127A (en) 1975-06-24 1975-06-24 Memory access control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50076642A JPS522127A (en) 1975-06-24 1975-06-24 Memory access control circuit

Publications (1)

Publication Number Publication Date
JPS522127A true JPS522127A (en) 1977-01-08

Family

ID=13611025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50076642A Pending JPS522127A (en) 1975-06-24 1975-06-24 Memory access control circuit

Country Status (1)

Country Link
JP (1) JPS522127A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862754A (en) * 1981-09-24 1983-04-14 ユルリツチ・フインジエ Regulation system
JPS591070A (en) * 1982-06-25 1984-01-06 Kawasaki Steel Corp Internal sealing device for electric welded tube
JPS59148952A (en) * 1983-02-14 1984-08-25 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Preference sequence circuit
JPH02146658A (en) * 1988-11-29 1990-06-05 Nec Corp Priority processing system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862754A (en) * 1981-09-24 1983-04-14 ユルリツチ・フインジエ Regulation system
JPH039499B2 (en) * 1981-09-24 1991-02-08 Fuinje Yururitsuchi
JPS591070A (en) * 1982-06-25 1984-01-06 Kawasaki Steel Corp Internal sealing device for electric welded tube
JPS59148952A (en) * 1983-02-14 1984-08-25 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Preference sequence circuit
JPH02146658A (en) * 1988-11-29 1990-06-05 Nec Corp Priority processing system

Similar Documents

Publication Publication Date Title
JPS5226124A (en) Buffer memory control unit
JPS522231A (en) Information processing apparatus
JPS522127A (en) Memory access control circuit
JPS53121432A (en) Memory access system
JPS52103925A (en) Random access memory unit
JPS5398752A (en) Microprogram control system
JPS51131236A (en) Electronic register
JPS51148334A (en) Buffer memory control method
JPS52129241A (en) Memory control system
JPS5417643A (en) Central processor
JPS51140520A (en) High speed write device
JPS5392638A (en) Information processing unit
JPS5413736A (en) Control system for flashing display
JPS5216137A (en) Main memory access control system
JPS51138140A (en) Line control memory access control system
JPS51122338A (en) Access control system for main memory equipment
JPS5227232A (en) State control system of bus select circuit
JPS522250A (en) Memory access system
JPS5355920A (en) Answer signal generator
JPS51140435A (en) Information processing apparatus
JPS53120343A (en) Address setting circuit
JPS51138352A (en) Microprogram control system
JPS53129932A (en) Address control system for magnetic bubble memory
JPS5233799A (en) Control circuit for money exchanger
JPS522141A (en) Interruption control system