IT1183808B - Circuito elettronico per collegare un microprocessore ad una memoria ad elevata capacita - Google Patents

Circuito elettronico per collegare un microprocessore ad una memoria ad elevata capacita

Info

Publication number
IT1183808B
IT1183808B IT67396/85A IT6739685A IT1183808B IT 1183808 B IT1183808 B IT 1183808B IT 67396/85 A IT67396/85 A IT 67396/85A IT 6739685 A IT6739685 A IT 6739685A IT 1183808 B IT1183808 B IT 1183808B
Authority
IT
Italy
Prior art keywords
microprocessor
connect
electronic circuit
high capacity
capacity memory
Prior art date
Application number
IT67396/85A
Other languages
English (en)
Other versions
IT8567396A0 (it
IT8567396A1 (it
Inventor
Walter Cerutti
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT67396/85A priority Critical patent/IT1183808B/it
Publication of IT8567396A0 publication Critical patent/IT8567396A0/it
Priority to DE8686302947T priority patent/DE3685844T2/de
Priority to EP86302947A priority patent/EP0200440B1/en
Priority to JP61099269A priority patent/JPH0731626B2/ja
Priority to US06/857,340 priority patent/US4805092A/en
Publication of IT8567396A1 publication Critical patent/IT8567396A1/it
Application granted granted Critical
Publication of IT1183808B publication Critical patent/IT1183808B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/0292—User address space allocation, e.g. contiguous or non contiguous base addressing using tables or multilevel address translation means

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microcomputers (AREA)
  • Memory System (AREA)
  • Multi Processors (AREA)
IT67396/85A 1985-04-30 1985-04-30 Circuito elettronico per collegare un microprocessore ad una memoria ad elevata capacita IT1183808B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT67396/85A IT1183808B (it) 1985-04-30 1985-04-30 Circuito elettronico per collegare un microprocessore ad una memoria ad elevata capacita
DE8686302947T DE3685844T2 (de) 1985-04-30 1986-04-18 Elektronische schaltung zur verbindung eines prozessors mit einem leistungsfaehigen speicher.
EP86302947A EP0200440B1 (en) 1985-04-30 1986-04-18 Electronic circuit for connecting a processor to a high-capacity memory
JP61099269A JPH0731626B2 (ja) 1985-04-30 1986-04-28 プロセツサ−を高容量記憶装置に接続するための電子回路
US06/857,340 US4805092A (en) 1985-04-30 1986-04-30 Electronic circuit for extending the addressing capacity of a processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67396/85A IT1183808B (it) 1985-04-30 1985-04-30 Circuito elettronico per collegare un microprocessore ad una memoria ad elevata capacita

Publications (3)

Publication Number Publication Date
IT8567396A0 IT8567396A0 (it) 1985-04-30
IT8567396A1 IT8567396A1 (it) 1986-10-30
IT1183808B true IT1183808B (it) 1987-10-22

Family

ID=11302043

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67396/85A IT1183808B (it) 1985-04-30 1985-04-30 Circuito elettronico per collegare un microprocessore ad una memoria ad elevata capacita

Country Status (5)

Country Link
US (1) US4805092A (it)
EP (1) EP0200440B1 (it)
JP (1) JPH0731626B2 (it)
DE (1) DE3685844T2 (it)
IT (1) IT1183808B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184013B (it) * 1985-12-13 1987-10-22 Elsag Memoria ad elevata capacita accessibile a diverse agenti
JPS63282870A (ja) * 1987-05-14 1988-11-18 Minolta Camera Co Ltd メモリユニットのアドレス指定方式
IT1216085B (it) * 1988-03-15 1990-02-22 Honeywell Bull Spa Apparato di selezione veloce di memoria locale.
CA2003821C (en) * 1989-04-20 1996-12-03 Richard J. Molnar Process controller single memory chip shadowing technique
US5210847A (en) * 1989-05-19 1993-05-11 Compaq Computer Corporation Noncacheable address random access memory
JPH03137744A (ja) * 1989-10-24 1991-06-12 Toshiba Corp メモリ管理方式
US5317706A (en) * 1989-11-15 1994-05-31 Ncr Corporation Memory expansion method and apparatus in a virtual memory system
US5175835A (en) * 1990-01-10 1992-12-29 Unisys Corporation Multi-mode DRAM controller
US5255382A (en) * 1990-09-24 1993-10-19 Pawloski Martin B Program memory expander for 8051-based microcontrolled system
JP3181307B2 (ja) * 1991-04-25 2001-07-03 株式会社東芝 命令処理装置
AU4221993A (en) * 1992-05-04 1993-11-29 Compaq Computer Corporation Single map data destination facility
US5627986A (en) * 1992-08-31 1997-05-06 Rockwell International Corporation Device and method for selecting and addressing extended memory addresses
US5341494A (en) * 1993-02-12 1994-08-23 Compaq Computer Corporation Memory accessing system with an interface and memory selection unit utilizing write protect and strobe signals
US9990282B2 (en) 2016-04-27 2018-06-05 Oracle International Corporation Address space expander for a processor

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292151A (en) * 1962-06-04 1966-12-13 Ibm Memory expansion
US3786436A (en) * 1973-03-14 1974-01-15 Gte Automatic Electric Lab Inc Memory expansion arrangement in a central processor
US3949378A (en) * 1974-12-09 1976-04-06 The United States Of America As Represented By The Secretary Of The Navy Computer memory addressing employing base and index registers
JPS5171648A (it) * 1974-12-18 1976-06-21 Panafacom Ltd
JPS5752664B2 (it) * 1974-12-27 1982-11-09
US3976976A (en) * 1975-04-04 1976-08-24 The United States Of America As Represented By The Secretary Of The Navy Method and means to access and extended memory unit
US4037215A (en) * 1976-04-30 1977-07-19 International Business Machines Corporation Key controlled address relocation translation system
US4042911A (en) * 1976-04-30 1977-08-16 International Business Machines Corporation Outer and asynchronous storage extension system
JPS533029A (en) * 1976-06-30 1978-01-12 Toshiba Corp Electronic computer
US4092715A (en) * 1976-09-22 1978-05-30 Honeywell Information Systems Inc. Input-output unit having extended addressing capability
US4363091A (en) * 1978-01-31 1982-12-07 Intel Corporation Extended address, single and multiple bit microprocessor
US4164786A (en) * 1978-04-11 1979-08-14 The Bendix Corporation Apparatus for expanding memory size and direct memory addressing capabilities of digital computer means
FR2428871A1 (fr) * 1978-06-15 1980-01-11 Philips Data Syst Extension de l'espace d'adressage direct dans un systeme d'ordinateur
DE2846054C2 (de) * 1978-10-23 1985-08-14 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Erweiterung des Adressierungsvolumens einer Zentraleinheit, insbesondere eines Mikroprozessors
US4419727A (en) * 1979-01-02 1983-12-06 Honeywell Information Systems Inc. Hardware for extending microprocessor addressing capability
US4346441A (en) * 1980-04-29 1982-08-24 Honeywell Information Systems Inc. Random access memory system for extending the memory addressing capacity of a CPU
US4443847A (en) * 1981-02-05 1984-04-17 International Business Machines Corporation Page addressing mechanism
US4473877A (en) * 1981-04-16 1984-09-25 Tulk Ronald K Parasitic memory expansion for computers
US4503491A (en) * 1981-06-29 1985-03-05 Matsushita Electric Industrial Co., Ltd. Computer with expanded addressing capability
US4453212A (en) * 1981-07-13 1984-06-05 Burroughs Corporation Extended address generating apparatus and method
WO1983000576A1 (en) * 1981-08-12 1983-02-17 Eggebrecht, Lewis, Clark Extended addressing apparatus and method for direct storage access devices

Also Published As

Publication number Publication date
JPH0731626B2 (ja) 1995-04-10
DE3685844T2 (de) 1993-02-18
DE3685844D1 (de) 1992-08-06
IT8567396A0 (it) 1985-04-30
EP0200440B1 (en) 1992-07-01
EP0200440A3 (en) 1988-09-28
IT8567396A1 (it) 1986-10-30
EP0200440A2 (en) 1986-11-05
US4805092A (en) 1989-02-14
JPS61271548A (ja) 1986-12-01

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429