JPS6248259B2 - - Google Patents

Info

Publication number
JPS6248259B2
JPS6248259B2 JP54090210A JP9021079A JPS6248259B2 JP S6248259 B2 JPS6248259 B2 JP S6248259B2 JP 54090210 A JP54090210 A JP 54090210A JP 9021079 A JP9021079 A JP 9021079A JP S6248259 B2 JPS6248259 B2 JP S6248259B2
Authority
JP
Japan
Prior art keywords
bus
signal
transfer
status
master
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
JP54090210A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5614329A (en
Inventor
Yutaka Onodera
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP9021079A priority Critical patent/JPS5614329A/ja
Publication of JPS5614329A publication Critical patent/JPS5614329A/ja
Publication of JPS6248259B2 publication Critical patent/JPS6248259B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bus Control (AREA)
  • Information Transfer Systems (AREA)
JP9021079A 1979-07-16 1979-07-16 Data processing system Granted JPS5614329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9021079A JPS5614329A (en) 1979-07-16 1979-07-16 Data processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9021079A JPS5614329A (en) 1979-07-16 1979-07-16 Data processing system

Publications (2)

Publication Number Publication Date
JPS5614329A JPS5614329A (en) 1981-02-12
JPS6248259B2 true JPS6248259B2 (enExample) 1987-10-13

Family

ID=13992114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9021079A Granted JPS5614329A (en) 1979-07-16 1979-07-16 Data processing system

Country Status (1)

Country Link
JP (1) JPS5614329A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267850A (ja) * 1985-05-17 1986-11-27 Panafacom Ltd 共通バス制御方式
JP4178809B2 (ja) 2002-02-21 2008-11-12 ソニー株式会社 外部接続機器及びホスト機器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5065144A (enExample) * 1973-10-11 1975-06-02
JPS5220295B2 (enExample) * 1974-08-21 1977-06-02
JPS51113546A (en) * 1975-03-31 1976-10-06 Hitachi Ltd Information transmitting system
JPS5211837A (en) * 1975-07-18 1977-01-29 Hitachi Ltd Input-output interface starting method

Also Published As

Publication number Publication date
JPS5614329A (en) 1981-02-12

Similar Documents

Publication Publication Date Title
US4818985A (en) Bus arbitration network capable of quickly carrying out arbitration among bus masters
US5119480A (en) Bus master interface circuit with transparent preemption of a data transfer operation
US5099420A (en) Method and apparatus for limiting the utilization of an asynchronous bus with distributed controlled access
US4571672A (en) Access control method for multiprocessor systems
US4458314A (en) Circuitry for allocating access to a demand shared bus
US4999769A (en) System with plural clocks for bidirectional information exchange between DMA controller and I/O devices via DMA bus
US3995258A (en) Data processing system having a data integrity technique
KR930002787B1 (ko) 주변 제어기와 어댑터 인터페이스
JPS61109164A (ja) バス制御方法
JPH04268938A (ja) データ処理装置およびメモリコントローラ
US5828891A (en) Multilevel interrupt device
US5566345A (en) SCSI bus capacity expansion controller using gating circuits to arbitrate DMA requests from a plurality of disk drives
JP2539964B2 (ja) ア―ビトレ―ション・システム
US5894562A (en) Method and apparatus for controlling bus arbitration in a data processing system
JPH0690701B2 (ja) 仲裁回路
JPS6237428B2 (enExample)
US5247640A (en) Dual access control system including plural magnetic disk control units and contention control circuitry
JPS6248259B2 (enExample)
GB1595471A (en) Computer system
US4494186A (en) Automatic data steering and data formatting mechanism
EP0251234B1 (en) Multiprocessor interrupt level change synchronization apparatus
JPS594733B2 (ja) キヨウツウバスセイギヨカイロ
JPH0689257A (ja) バスブリッジの調停装置
JPS61150054A (ja) データ処理装置
JP2545936B2 (ja) バスインターフェースユニット