KR900700957A - Rom 자료단어의 갱신을 가능하게 하기 위한 회로장치 - Google Patents

Rom 자료단어의 갱신을 가능하게 하기 위한 회로장치

Info

Publication number
KR900700957A
KR900700957A KR1019890701927A KR890701927A KR900700957A KR 900700957 A KR900700957 A KR 900700957A KR 1019890701927 A KR1019890701927 A KR 1019890701927A KR 890701927 A KR890701927 A KR 890701927A KR 900700957 A KR900700957 A KR 900700957A
Authority
KR
South Korea
Prior art keywords
circuit device
data words
rom data
enabling updating
updating
Prior art date
Application number
KR1019890701927A
Other languages
English (en)
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 filed Critical
Publication of KR900700957A publication Critical patent/KR900700957A/ko

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G06F9/328—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for runtime instruction patching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection
    • G06F9/268—Microinstruction selection not based on processing results, e.g. interrupt, patch, first cycle store, diagnostic programs

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Read Only Memory (AREA)
KR1019890701927A 1988-02-19 1989-10-20 Rom 자료단어의 갱신을 가능하게 하기 위한 회로장치 KR900700957A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/157,775 US4897813A (en) 1988-02-19 1988-02-19 Partially programmable read-only memory system
PCT/US1989/000695 WO1989007794A1 (en) 1988-02-19 1989-02-17 Circuitry system for enabling update of rom data words

Publications (1)

Publication Number Publication Date
KR900700957A true KR900700957A (ko) 1990-08-17

Family

ID=22565231

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890701927A KR900700957A (ko) 1988-02-19 1989-10-20 Rom 자료단어의 갱신을 가능하게 하기 위한 회로장치

Country Status (5)

Country Link
US (1) US4897813A (ko)
EP (1) EP0356506A1 (ko)
JP (1) JPH02503248A (ko)
KR (1) KR900700957A (ko)
WO (1) WO1989007794A1 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293612A (en) * 1989-05-11 1994-03-08 Tandem Computers Incorporated Selective dump method and apparatus
US5218246A (en) * 1990-09-14 1993-06-08 Acer, Incorporated MOS analog XOR amplifier
GB2250838A (en) * 1990-12-11 1992-06-17 Honda Motor Co Ltd Patching a program stored in ROM
WO1997008618A1 (en) * 1995-08-29 1997-03-06 International Business Machines Corporation Data processing apparatus and method for correcting faulty microcode
US6308325B1 (en) * 1996-04-09 2001-10-23 International Business Machines Corporation Apparatus and method for downloading data to electronic device
US6199140B1 (en) * 1997-10-30 2001-03-06 Netlogic Microsystems, Inc. Multiport content addressable memory device and timing signals
JPH11249886A (ja) * 1998-02-27 1999-09-17 Matsushita Electric Ind Co Ltd 電子機器
US6122216A (en) * 1998-12-09 2000-09-19 Compaq Computer Corporation Single package dual memory device
US6453407B1 (en) * 1999-02-10 2002-09-17 Infineon Technologies Ag Configurable long instruction word architecture and instruction set
JP2001125781A (ja) * 1999-10-29 2001-05-11 Matsushita Electric Ind Co Ltd マイクロプロセッサ、およびマイクロプロセッサにおけるプログラム変更方法
US6650880B1 (en) * 2000-06-12 2003-11-18 Broadcom Corporation Wireless data communications using FIFO for synchronization memory
US6804772B2 (en) * 2000-06-12 2004-10-12 Broadcom Corporation Dynamic field patchable microarchitecture
TW550980B (en) * 2002-02-19 2003-09-01 Via Tech Inc Major function circuit board capable of interactively verifying chip functions
US7019998B2 (en) * 2003-09-09 2006-03-28 Silicon Storage Technology, Inc. Unified multilevel cell memory
KR100573334B1 (ko) * 2005-08-31 2006-04-24 주식회사 칩스앤미디어 실시간 동적 수정이 가능한 명령어 집합을 가지는 컴퓨터

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701984A (en) * 1971-03-05 1972-10-31 Rca Corp Memory subsystem array
US3911406A (en) * 1974-04-01 1975-10-07 Honeywell Inf Systems Correction apparatus for use with a read only memory system
US4141068A (en) * 1977-03-24 1979-02-20 Xerox Corporation Auxiliary ROM memory system
US4332010A (en) * 1980-03-17 1982-05-25 International Business Machines Corporation Cache synonym detection and handling mechanism
US4404653A (en) * 1981-10-01 1983-09-13 Yeda Research & Development Co. Ltd. Associative memory cell and memory unit including same
US4542453A (en) * 1982-02-19 1985-09-17 Texas Instruments Incorporated Program patching in microcomputer
US4612612A (en) * 1983-08-30 1986-09-16 Amdahl Corporation Virtually addressed cache
EP0175603A2 (en) * 1984-08-21 1986-03-26 FAIRCHILD CAMERA & INSTRUMENT CORPORATION Content addressable memory cell
US4610000A (en) * 1984-10-23 1986-09-02 Thomson Components-Mostek Corporation ROM/RAM/ROM patch memory circuit
US4654847A (en) * 1984-12-28 1987-03-31 International Business Machines Apparatus for automatically correcting erroneous data and for storing the corrected data in a common pool alternate memory array

Also Published As

Publication number Publication date
JPH02503248A (ja) 1990-10-04
EP0356506A1 (en) 1990-03-07
WO1989007794A1 (en) 1989-08-24
US4897813A (en) 1990-01-30

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application