JPS52132748A - Information i/o control system - Google Patents

Information i/o control system

Info

Publication number
JPS52132748A
JPS52132748A JP4856576A JP4856576A JPS52132748A JP S52132748 A JPS52132748 A JP S52132748A JP 4856576 A JP4856576 A JP 4856576A JP 4856576 A JP4856576 A JP 4856576A JP S52132748 A JPS52132748 A JP S52132748A
Authority
JP
Japan
Prior art keywords
information
control system
request
priority
inhibiting
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
JP4856576A
Other languages
Japanese (ja)
Inventor
Toshikazu Takato
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 JP4856576A priority Critical patent/JPS52132748A/en
Publication of JPS52132748A publication Critical patent/JPS52132748A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable simple circuit and to increase the usage efficiency of computer, by inhibiting the request of I/O unit (IO) having higher priority than itself when the regular time for the data transfer completion is reached after the request transmission and by making the information transfer with priority.
COPYRIGHT: (C)1977,JPO&Japio
JP4856576A 1976-04-30 1976-04-30 Information i/o control system Pending JPS52132748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4856576A JPS52132748A (en) 1976-04-30 1976-04-30 Information i/o control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4856576A JPS52132748A (en) 1976-04-30 1976-04-30 Information i/o control system

Publications (1)

Publication Number Publication Date
JPS52132748A true JPS52132748A (en) 1977-11-07

Family

ID=12806905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4856576A Pending JPS52132748A (en) 1976-04-30 1976-04-30 Information i/o control system

Country Status (1)

Country Link
JP (1) JPS52132748A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444844A (en) * 1977-09-09 1979-04-09 Hitachi Denshi Ltd Control system for bus occupancy
JPS5523550A (en) * 1978-08-04 1980-02-20 Matsushita Electric Works Ltd Interface system
JPS5585935A (en) * 1978-11-06 1980-06-28 Honeywell Inf Systems Access demand processor
JPS6398756A (en) * 1986-10-15 1988-04-30 Oki Electric Ind Co Ltd Direct memory access system
JPH0480829A (en) * 1990-07-24 1992-03-13 Fuji Electric Co Ltd Arbitration/communication circuit for interruption signal

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444844A (en) * 1977-09-09 1979-04-09 Hitachi Denshi Ltd Control system for bus occupancy
JPS5756734B2 (en) * 1977-09-09 1982-12-01 Hitachi Electronics
JPS5523550A (en) * 1978-08-04 1980-02-20 Matsushita Electric Works Ltd Interface system
JPS586172B2 (en) * 1978-08-04 1983-02-03 松下電工株式会社 Interface method
JPS5585935A (en) * 1978-11-06 1980-06-28 Honeywell Inf Systems Access demand processor
JPS6398756A (en) * 1986-10-15 1988-04-30 Oki Electric Ind Co Ltd Direct memory access system
JPH0480829A (en) * 1990-07-24 1992-03-13 Fuji Electric Co Ltd Arbitration/communication circuit for interruption signal

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