DE3752017D1 - Mikrorechner mit Zugriffsfähigkeit auf einen internen Speicher mit gewünschter variabler Zugriffszeit - Google Patents

Mikrorechner mit Zugriffsfähigkeit auf einen internen Speicher mit gewünschter variabler Zugriffszeit

Info

Publication number
DE3752017D1
DE3752017D1 DE3752017T DE3752017T DE3752017D1 DE 3752017 D1 DE3752017 D1 DE 3752017D1 DE 3752017 T DE3752017 T DE 3752017T DE 3752017 T DE3752017 T DE 3752017T DE 3752017 D1 DE3752017 D1 DE 3752017D1
Authority
DE
Germany
Prior art keywords
accessibility
microcomputer
internal memory
access time
desired variable
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 - Lifetime
Application number
DE3752017T
Other languages
English (en)
Other versions
DE3752017T2 (de
Inventor
Manabu C O Nec Corporat Kimoto
Yukihiro C O Nec Co Nishiguchi
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 Electronics 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
Application granted granted Critical
Publication of DE3752017D1 publication Critical patent/DE3752017D1/de
Publication of DE3752017T2 publication Critical patent/DE3752017T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06F13/1668—Details of memory controller
    • G06F13/1689—Synchronisation and timing concerns
    • 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4234—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus
    • G06F13/4243—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus with synchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microcomputers (AREA)
  • Executing Machine-Instructions (AREA)
  • Memory System (AREA)
DE3752017T 1986-03-20 1987-03-20 Mikrorechner mit Zugriffsfähigkeit auf einen internen Speicher mit gewünschter variabler Zugriffszeit Expired - Lifetime DE3752017T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6434886 1986-03-20

Publications (2)

Publication Number Publication Date
DE3752017D1 true DE3752017D1 (de) 1997-03-20
DE3752017T2 DE3752017T2 (de) 1997-08-28

Family

ID=13255647

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3752017T Expired - Lifetime DE3752017T2 (de) 1986-03-20 1987-03-20 Mikrorechner mit Zugriffsfähigkeit auf einen internen Speicher mit gewünschter variabler Zugriffszeit

Country Status (4)

Country Link
US (1) US4870562A (de)
EP (1) EP0238090B1 (de)
JP (1) JP2957177B2 (de)
DE (1) DE3752017T2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07113919B2 (ja) * 1987-10-30 1995-12-06 横河・ヒユーレツト・パツカード株式会社 マイクロプロセッサ
US5440749A (en) * 1989-08-03 1995-08-08 Nanotronics Corporation High performance, low cost microprocessor architecture
JPH0383149A (ja) * 1989-08-28 1991-04-09 Matsushita Electric Ind Co Ltd マイクロコンピュータ
JP2762138B2 (ja) * 1989-11-06 1998-06-04 三菱電機株式会社 メモリコントロールユニット
IL96808A (en) 1990-04-18 1996-03-31 Rambus Inc Introductory / Origin Circuit Agreed Using High-Performance Brokerage
US6751696B2 (en) 1990-04-18 2004-06-15 Rambus Inc. Memory device having a programmable register
US6324120B2 (en) 1990-04-18 2001-11-27 Rambus Inc. Memory device having a variable data output length
US5247636A (en) * 1990-05-31 1993-09-21 International Business Machines Corporation Digital processor clock circuit
US5247621A (en) * 1990-09-26 1993-09-21 Advanced Micro Devices, Inc. System and method for processor bus use
DE69231077T2 (de) * 1991-03-06 2001-02-01 Nec Corp., Tokio/Tokyo Einchipmikrorechner mit Schutzfuntion für den Inhalt eines internen ROM's
KR930008042B1 (ko) * 1991-04-03 1993-08-25 삼성전자 주식회사 마이크로 콘트롤러 유닛
US5325515A (en) * 1991-05-14 1994-06-28 Nec Electronics, Inc. Single-component memory controller utilizing asynchronous state machines
EP0601715A1 (de) * 1992-12-11 1994-06-15 National Semiconductor Corporation Für den On-Chip-Speicherzugriff optimierter CPV-Kernbus
US5416434A (en) * 1993-03-05 1995-05-16 Hewlett-Packard Corporation Adaptive clock generation with pseudo random variation
JP3904244B2 (ja) 1993-09-17 2007-04-11 株式会社ルネサステクノロジ シングル・チップ・データ処理装置
US6735683B2 (en) 1994-09-14 2004-05-11 Hitachi, Ltd. Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elements
US5504877A (en) * 1994-11-29 1996-04-02 Cordata, Inc. Adaptive DRAM timing set according to sum of capacitance valves retrieved from table based on memory bank size
US5771375A (en) * 1995-09-18 1998-06-23 International Business Machines Corporation Automatic delay adjustment for static timing analysis using clock edge identification and half cycle paths
JPH09311812A (ja) * 1996-05-24 1997-12-02 Oki Electric Ind Co Ltd マイクロコンピュータ
US5892981A (en) * 1996-10-10 1999-04-06 Hewlett-Packard Company Memory system and device
JP3620181B2 (ja) * 1996-12-05 2005-02-16 富士通株式会社 半導体装置及びリードアクセス方法
US6970985B2 (en) 2002-07-09 2005-11-29 Bluerisc Inc. Statically speculative memory accessing
US20050114850A1 (en) 2003-10-29 2005-05-26 Saurabh Chheda Energy-focused re-compilation of executables and hardware mechanisms based on compiler-architecture interaction and compiler-inserted control
US7996671B2 (en) 2003-11-17 2011-08-09 Bluerisc Inc. Security of program executables and microprocessors based on compiler-architecture interaction
US8607209B2 (en) 2004-02-04 2013-12-10 Bluerisc Inc. Energy-focused compiler-assisted branch prediction
US20080126766A1 (en) 2006-11-03 2008-05-29 Saurabh Chheda Securing microprocessors against information leakage and physical tampering
MX2011000292A (es) * 2008-07-23 2011-02-23 Micro Motion Inc Sistema de procesamiento con cotrol de acceso a memoria externa.
JP2014013605A (ja) * 2013-09-18 2014-01-23 Micro Motion Inc 外部メモリーへのアクセスを制御する処理システム
ES2933256T3 (es) 2017-08-08 2023-02-03 Hoffmann La Roche Tratamiento con obinutuzumab de un subgrupo de pacientes con LDLBG

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962683A (en) * 1971-08-31 1976-06-08 Max Brown CPU programmable control system
US3984812A (en) * 1974-04-15 1976-10-05 Burroughs Corporation Computer memory read delay
US4093982A (en) * 1976-05-03 1978-06-06 International Business Machines Corporation Microprocessor system
US4168526A (en) * 1978-03-02 1979-09-18 General Signal Corporation Digital circuit generating a vital relay
US4397031A (en) * 1980-12-04 1983-08-02 Weber Paul A Time delay computer
US4447870A (en) * 1981-04-03 1984-05-08 Honeywell Information Systems Inc. Apparatus for setting the basic clock timing in a data processing system
JPS5839357A (ja) * 1981-08-31 1983-03-08 Sanyo Electric Co Ltd Ｒａｍのアドレス方法
US4509120A (en) * 1982-09-30 1985-04-02 Bell Telephone Laboratories, Inc. Variable cycle-time microcomputer
IT1206331B (it) * 1983-10-25 1989-04-14 Honeywell Inf Systems Architettura di sistema di elaborazione dati.
JPS60151760A (ja) * 1984-01-20 1985-08-09 Canon Inc システム電子機器
JPS60151759A (ja) * 1984-01-20 1985-08-09 Canon Inc システム電子機器

Also Published As

Publication number Publication date
EP0238090A3 (de) 1989-12-06
JPS6312049A (ja) 1988-01-19
DE3752017T2 (de) 1997-08-28
US4870562A (en) 1989-09-26
JP2957177B2 (ja) 1999-10-04
EP0238090A2 (de) 1987-09-23
EP0238090B1 (de) 1997-02-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP