JPS647152A - Bus controller - Google Patents

Bus controller

Info

Publication number
JPS647152A
JPS647152A JP16096387A JP16096387A JPS647152A JP S647152 A JPS647152 A JP S647152A JP 16096387 A JP16096387 A JP 16096387A JP 16096387 A JP16096387 A JP 16096387A JP S647152 A JPS647152 A JP S647152A
Authority
JP
Japan
Prior art keywords
bus
user devices
logical
bus request
control 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.)
Pending
Application number
JP16096387A
Other languages
English (en)
Inventor
Tsuneo Fujiwara
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
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP16096387A priority Critical patent/JPS647152A/ja
Publication of JPS647152A publication Critical patent/JPS647152A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
JP16096387A 1987-06-30 1987-06-30 Bus controller Pending JPS647152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16096387A JPS647152A (en) 1987-06-30 1987-06-30 Bus controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16096387A JPS647152A (en) 1987-06-30 1987-06-30 Bus controller

Publications (1)

Publication Number Publication Date
JPS647152A true JPS647152A (en) 1989-01-11

Family

ID=15725962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16096387A Pending JPS647152A (en) 1987-06-30 1987-06-30 Bus controller

Country Status (1)

Country Link
JP (1) JPS647152A (ja)

Similar Documents

Publication Publication Date Title
EP0285329A3 (en) Dual-port timing controller
AU3746585A (en) Computer processor controller
JPS647152A (en) Bus controller
JPS5391741A (en) Computer control system of copier
JPS53123046A (en) Interface controller
JPS647151A (en) Bus acquisition system
JPS5585941A (en) Dma system for data transmission and reception unit
JPS5255449A (en) Microprocessor
JPS55119756A (en) Monitor system for processor
JPS6459414A (en) Power source control system
JPS5449483A (en) Process calculation control system
JPS6468858A (en) Microprocessor peripheral circuit
JPS57178521A (en) Data transfer controlling system
JPS6419460A (en) System controller
JPS57199030A (en) Distributed interruption priority controlling method
JPS6486261A (en) Memory circuit
JPS5412648A (en) Refresh control system
JPS6481493A (en) Stored program control exchange system
JPS6419451A (en) Microprocessor
JPS6444151A (en) Communication control system
JPS6413291A (en) Refreshing circuit
JPS53115114A (en) Electromagnetic coordinate selecting device
JPS54162429A (en) Data transfer system
ES8800059A1 (es) Perfeccionamientos introducidos en la regeneracion osea de fracturas
JPS5755439A (en) Common bus control system