KR0121284B1 - 프로그램 메모리의 메모리 셀 내용의 검사방법 - Google Patents

프로그램 메모리의 메모리 셀 내용의 검사방법

Info

Publication number
KR0121284B1
KR0121284B1 KR1019880003089A KR880003089A KR0121284B1 KR 0121284 B1 KR0121284 B1 KR 0121284B1 KR 1019880003089 A KR1019880003089 A KR 1019880003089A KR 880003089 A KR880003089 A KR 880003089A KR 0121284 B1 KR0121284 B1 KR 0121284B1
Authority
KR
South Korea
Prior art keywords
memory
program
memory cell
checksum
contents
Prior art date
Application number
KR1019880003089A
Other languages
English (en)
Korean (ko)
Other versions
KR880011662A (ko
Inventor
클라우스 디터
브라운 귄터
Original Assignee
클라우스 포스, 디터 비트마이어
로베르트 보쉬 게엠베하
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 클라우스 포스, 디터 비트마이어, 로베르트 보쉬 게엠베하 filed Critical 클라우스 포스, 디터 비트마이어
Publication of KR880011662A publication Critical patent/KR880011662A/ko
Application granted granted Critical
Publication of KR0121284B1 publication Critical patent/KR0121284B1/ko

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
    • G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/52—Protection of memory contents; Detection of errors in memory contents

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Detection And Correction Of Errors (AREA)
KR1019880003089A 1987-03-23 1988-03-23 프로그램 메모리의 메모리 셀 내용의 검사방법 KR0121284B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP3709524.2 1987-03-23
DE3709524A DE3709524C2 (de) 1987-03-23 1987-03-23 Verfahren zur Überprüfung der Speicherzelleninhalte eines Programmspeichers
DE3709524.2 1987-03-23

Publications (2)

Publication Number Publication Date
KR880011662A KR880011662A (ko) 1988-10-29
KR0121284B1 true KR0121284B1 (ko) 1997-11-22

Family

ID=6323799

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880003089A KR0121284B1 (ko) 1987-03-23 1988-03-23 프로그램 메모리의 메모리 셀 내용의 검사방법

Country Status (3)

Country Link
JP (1) JP3124278B2 (de)
KR (1) KR0121284B1 (de)
DE (1) DE3709524C2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647924B1 (fr) * 1989-06-06 1994-06-17 Bull Cp8 Procede pour verifier l'integrite d'un logiciel ou de donnees, et systeme pour la mise en oeuvre de ce procede
US5023813A (en) * 1989-08-03 1991-06-11 International Business Machines Corporation Non-volatile memory usage
JP2701591B2 (ja) * 1991-05-31 1998-01-21 日本電気株式会社 自動車電話装置の自己診断方法
DE4308464A1 (de) * 1993-03-17 1994-09-22 Vdo Schindling Verfahren zur Erkennung von Hardwarefehlern auf den Leitungen eines Adressbusses in Mikroprozessoren
JP2000305859A (ja) * 1999-04-22 2000-11-02 Matsushita Electric Ind Co Ltd プロセッサ
DE10058220A1 (de) * 2000-11-23 2002-05-29 Daimler Chrysler Ag Verfahren zum Betreiben einer einen Datenspeicher aufweisenden Vorrichtung
EP1538509A1 (de) * 2003-12-04 2005-06-08 Axalto S.A. Methode zum Absichern einer Programmausführung gegen Strahlungsangriffe
DE102004006645A1 (de) * 2004-02-11 2005-09-22 Giesecke & Devrient Gmbh Verfahren zum sicheren Berechnen einer Prüfsumme
DE102016104012A1 (de) * 2016-03-04 2017-09-07 Infineon Technologies Ag Verarbeitung eines Datenworts

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5378127A (en) * 1976-12-22 1978-07-11 Sharp Corp Self diagnosis system of fixed program memory unit
JPS5888899A (ja) * 1981-11-19 1983-05-27 Mitsubishi Electric Corp Ｒａｍ制御回路
US4488300A (en) * 1982-12-01 1984-12-11 The Singer Company Method of checking the integrity of a source of additional memory for use in an electronically controlled sewing machine
JPS59178695A (ja) * 1983-03-30 1984-10-09 Nittan Co Ltd 読出し専用メモリチエツク装置
JPS60254258A (ja) * 1984-05-31 1985-12-14 Mitsubishi Electric Corp 読み出し専用メモリデ−タの破壊検知方法

Also Published As

Publication number Publication date
KR880011662A (ko) 1988-10-29
DE3709524C2 (de) 1996-08-14
DE3709524A1 (de) 1988-10-06
JP3124278B2 (ja) 2001-01-15
JPS63254548A (ja) 1988-10-21

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