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JPS53112625A - Bus occupation control system - Google Patents

Bus occupation control system

Info

Publication number
JPS53112625A
JPS53112625A JP2781877A JP2781877A JPS53112625A JP S53112625 A JPS53112625 A JP S53112625A JP 2781877 A JP2781877 A JP 2781877A JP 2781877 A JP2781877 A JP 2781877A JP S53112625 A JPS53112625 A JP S53112625A
Authority
JP
Japan
Prior art keywords
bus occupation
control system
occupation control
function module
line
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.)
Granted
Application number
JP2781877A
Other languages
Japanese (ja)
Other versions
JPS5734526B2 (en
Inventor
Masahiro Takahashi
Masao Yanaka
Kinshiro Onishi
Kazuhiko Kobayashi
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 JP2781877A priority Critical patent/JPS53112625A/en
Publication of JPS53112625A publication Critical patent/JPS53112625A/en
Publication of JPS5734526B2 publication Critical patent/JPS5734526B2/ja
Granted legal-status Critical Current

Links

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  • Bus Control (AREA)

Abstract

PURPOSE: To decrease the number of the signal line which is necessary for the bus occupation control, by sharing both the bus occupation request line from each function module and the designation signal line to the function module which allows the interface bus occupation with the data line.
COPYRIGHT: (C)1978,JPO&Japio
JP2781877A 1977-03-14 1977-03-14 Bus occupation control system Granted JPS53112625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2781877A JPS53112625A (en) 1977-03-14 1977-03-14 Bus occupation control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2781877A JPS53112625A (en) 1977-03-14 1977-03-14 Bus occupation control system

Publications (2)

Publication Number Publication Date
JPS53112625A true JPS53112625A (en) 1978-10-02
JPS5734526B2 JPS5734526B2 (en) 1982-07-23

Family

ID=12231534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2781877A Granted JPS53112625A (en) 1977-03-14 1977-03-14 Bus occupation control system

Country Status (1)

Country Link
JP (1) JPS53112625A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5669947A (en) * 1979-11-12 1981-06-11 Canon Inc Two-way data transmission system
JPS5817748A (en) * 1981-07-24 1983-02-02 Fujitsu Ltd Common use system
JPS61236239A (en) * 1985-04-12 1986-10-21 Hitachi Ltd Method for controlling occupancy of bus
US6505276B1 (en) 1998-06-26 2003-01-07 Nec Corporation Processing-function-provided packet-type memory system and method for controlling the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999246A (en) * 1972-12-29 1974-09-19
JPS4998941A (en) * 1972-12-29 1974-09-19
JPS5068626A (en) * 1973-10-18 1975-06-09
JPS5147504A (en) * 1974-10-22 1976-04-23 Inoue Japax Res
JPS5147502A (en) * 1974-10-23 1976-04-23 Nippon Steel Corp Suteebukorono reikyakuho
JPS526431A (en) * 1975-06-30 1977-01-18 Honeywell Inf Systems Common bus connected in data processing system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999246A (en) * 1972-12-29 1974-09-19
JPS4998941A (en) * 1972-12-29 1974-09-19
JPS5068626A (en) * 1973-10-18 1975-06-09
JPS5147504A (en) * 1974-10-22 1976-04-23 Inoue Japax Res
JPS5147502A (en) * 1974-10-23 1976-04-23 Nippon Steel Corp Suteebukorono reikyakuho
JPS526431A (en) * 1975-06-30 1977-01-18 Honeywell Inf Systems Common bus connected in data processing system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5669947A (en) * 1979-11-12 1981-06-11 Canon Inc Two-way data transmission system
JPS5817748A (en) * 1981-07-24 1983-02-02 Fujitsu Ltd Common use system
JPS61236239A (en) * 1985-04-12 1986-10-21 Hitachi Ltd Method for controlling occupancy of bus
JPH0547012B2 (en) * 1985-04-12 1993-07-15 Hitachi Ltd
US6505276B1 (en) 1998-06-26 2003-01-07 Nec Corporation Processing-function-provided packet-type memory system and method for controlling the same

Also Published As

Publication number Publication date
JPS5734526B2 (en) 1982-07-23

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