JPS5674762A - Memory unit - Google Patents

Memory unit

Info

Publication number
JPS5674762A
JPS5674762A JP15208679A JP15208679A JPS5674762A JP S5674762 A JPS5674762 A JP S5674762A JP 15208679 A JP15208679 A JP 15208679A JP 15208679 A JP15208679 A JP 15208679A JP S5674762 A JPS5674762 A JP S5674762A
Authority
JP
Japan
Prior art keywords
register
signal
circuit
address
bpu
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
JP15208679A
Other languages
English (en)
Other versions
JPS6046461B2 (ja
Inventor
Yoshio Kiryu
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 JP54152086A priority Critical patent/JPS6046461B2/ja
Priority to US06/210,172 priority patent/US4459688A/en
Publication of JPS5674762A publication Critical patent/JPS5674762A/ja
Publication of JPS6046461B2 publication Critical patent/JPS6046461B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System (AREA)
  • Dram (AREA)
JP54152086A 1979-11-26 1979-11-26 アクセス要求選択回路 Expired JPS6046461B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP54152086A JPS6046461B2 (ja) 1979-11-26 1979-11-26 アクセス要求選択回路
US06/210,172 US4459688A (en) 1979-11-26 1980-11-25 Access request selecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54152086A JPS6046461B2 (ja) 1979-11-26 1979-11-26 アクセス要求選択回路

Publications (2)

Publication Number Publication Date
JPS5674762A true JPS5674762A (en) 1981-06-20
JPS6046461B2 JPS6046461B2 (ja) 1985-10-16

Family

ID=15532733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54152086A Expired JPS6046461B2 (ja) 1979-11-26 1979-11-26 アクセス要求選択回路

Country Status (2)

Country Link
US (1) US4459688A (ja)
JP (1) JPS6046461B2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8430004D0 (en) * 1984-11-28 1985-01-09 Plessey Co Plc Microprocessor interface device
US5471607A (en) * 1993-04-22 1995-11-28 Analog Devices, Inc. Multi-phase multi-access pipeline memory system
US20030168368A1 (en) * 2002-01-31 2003-09-11 Terrell Michael A. Roll product shipping, storage, and display carton

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810129A (en) * 1972-10-19 1974-05-07 Ibm Memory system restoration

Also Published As

Publication number Publication date
US4459688A (en) 1984-07-10
JPS6046461B2 (ja) 1985-10-16

Similar Documents

Publication Publication Date Title
JPS5516520A (en) Digital signal mixer
JPS5674762A (en) Memory unit
JPS5423343A (en) Microprogram controller
JPS55110328A (en) Interrupt processing system
JPS5336439A (en) Information processor
JPS5347737A (en) Detection circuit for process request
JPS5317044A (en) Random number generating unit
JPS5696350A (en) Memory extension system
JPS5414647A (en) Signal processor
JPS54107629A (en) Key input unit
JPS5330243A (en) Arithmetic processor
JPS5785162A (en) Picture memory access control system
JPS5697169A (en) Multidata processing system
JPS51112245A (en) Monitor control system of electronic computer organization
JPS54530A (en) Reference control unit of memory
JPS5617423A (en) Interruption detecting circuit
JPS5368138A (en) Interrupt priority determining circuit
JPS57130149A (en) System for interruption processing of microprogram control device
JPS55115122A (en) Priority control system
JPS55119741A (en) Operation circuit
JPS55116165A (en) Information processor
JPS52133738A (en) Caluculation control system
JPS52114875A (en) Sequence controller
JPS569803A (en) Sequence controller
JPS53121442A (en) Computer control unit