FR2470987A1 - Dispositif de surveillance d'un circuit electronique programmable - Google Patents
Dispositif de surveillance d'un circuit electronique programmableInfo
- Publication number
- FR2470987A1 FR2470987A1 FR8024303A FR8024303A FR2470987A1 FR 2470987 A1 FR2470987 A1 FR 2470987A1 FR 8024303 A FR8024303 A FR 8024303A FR 8024303 A FR8024303 A FR 8024303A FR 2470987 A1 FR2470987 A1 FR 2470987A1
- Authority
- FR
- France
- Prior art keywords
- monitoring
- electronic circuit
- programmable electronic
- circuit
- microprocessor
- 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
Links
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
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
- G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Debugging And Monitoring (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
DISPOSITIF DE SURVEILLANCE DU FONCTIONNEMENT D'UN CIRCUIT ELECTRIQUE PROGRAMMABLE, ET NOTAMMENT D'UN MICRO-ORDINATEUR OU D'UN MICROPROCESSEUR. UN MONTAGE DE SURVEILLANCE 2, AFFECTE AU CIRCUIT A SURVEILLER 1, EST RELIE A L'ENTREE RESET 5 ET A LA SORTIE CLEAR 6 DU CIRCUIT 1, ET COMPREND UN DISPOSITIF DE MESURE 7 POUR DETERMINATION DE LA DUREE DU PROGRAMME.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2946081A DE2946081C3 (de) | 1979-11-15 | 1979-11-15 | Schaltungsanordnung zur Überwachung der Funktion eines Mikroprozessors |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2470987A1 true FR2470987A1 (fr) | 1981-06-12 |
FR2470987B1 FR2470987B1 (fr) | 1985-09-20 |
Family
ID=6086026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8024303A Expired FR2470987B1 (fr) | 1979-11-15 | 1980-11-14 | Dispositif de surveillance d'un circuit electronique programmable |
Country Status (6)
Country | Link |
---|---|
US (1) | US4405982A (fr) |
JP (1) | JPS5688546A (fr) |
DE (1) | DE2946081C3 (fr) |
FR (1) | FR2470987B1 (fr) |
GB (1) | GB2065939B (fr) |
IT (1) | IT1129860B (fr) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57155601A (en) * | 1981-03-20 | 1982-09-25 | Nippon Denso Co Ltd | Car safety device |
FR2514522A1 (fr) * | 1981-10-09 | 1983-04-15 | Commissariat Energie Atomique | Dispositif de securite entre un systeme de commande d'un actionneur de surete et un circuit logique de commande de cet actionneur |
DE3146735C2 (de) * | 1981-11-25 | 1983-12-22 | Zi Gesellschaft für Zeit- und Informationserfassung mbH, 8033 Martinsried | Selbstüberwachungseinrichtung für einen digitalen, programmgesteuerten Ablaufsteuerschaltkreis |
DE3207633A1 (de) * | 1982-02-26 | 1983-09-15 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur ueberwachung eines mikroprozessors |
DE3214006A1 (de) * | 1982-04-16 | 1983-10-20 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zum ruecksetzen von rechenschaltungen |
US4488303A (en) * | 1982-05-17 | 1984-12-11 | Rca Corporation | Fail-safe circuit for a microcomputer based system |
JPS58211255A (ja) * | 1982-05-31 | 1983-12-08 | Mitsubishi Electric Corp | 制御回路 |
US4524449A (en) * | 1982-09-28 | 1985-06-18 | Framatome & Cie. | Safety device |
JPS5983438A (ja) * | 1982-11-04 | 1984-05-14 | Nec Corp | プログラム異常検出方式 |
DE3243760C2 (de) * | 1982-11-26 | 1989-04-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Einrichtung zur Funktionsüberwachung eines Prozessors |
JPS59114652A (ja) * | 1982-12-21 | 1984-07-02 | Nissan Motor Co Ltd | ウォッチドッグ・タイマ回路 |
JPS59117647A (ja) * | 1982-12-24 | 1984-07-07 | Hitachi Micro Comput Eng Ltd | マイクロコンピュータ誤動作防止方式 |
DE3320587A1 (de) * | 1983-06-08 | 1984-12-13 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur ueberwachung von elektronischen rechenbausteinen |
US4562575A (en) * | 1983-07-07 | 1985-12-31 | Motorola, Inc. | Method and apparatus for the selection of redundant system modules |
FR2553559B1 (fr) * | 1983-10-14 | 1988-10-14 | Citroen Sa | Controle du chargement de circuits integres du type registre serie parallele ayant un registre de chargement distinct des etages de sortie |
DE3339347A1 (de) * | 1983-10-29 | 1985-05-15 | Steag Ag, 4300 Essen | Verfahren zur ueberwachung einer speicherprogrammierbaren steuerung auf zyklischem betrieb |
US5007014A (en) * | 1984-01-11 | 1991-04-09 | Sharp Kabushiki Kaisha | Reset circuit for electronic apparatus |
JPS6133552A (ja) * | 1984-07-25 | 1986-02-17 | Nec Corp | 情報処理装置 |
JPH0668687B2 (ja) * | 1986-01-14 | 1994-08-31 | アイシン精機株式会社 | 電子制御回路用安全装置 |
US4837702A (en) * | 1986-04-28 | 1989-06-06 | Pitney Bowes Inc. | Electronic postage meter having an infinite loop lockout arrangement |
JPS62183202U (fr) * | 1986-05-12 | 1987-11-20 | ||
GB2197508A (en) * | 1986-11-03 | 1988-05-18 | Philips Electronic Associated | Data processing system with watchdog |
GB2197507A (en) * | 1986-11-03 | 1988-05-18 | Philips Electronic Associated | Data processing system |
JP2550063B2 (ja) * | 1987-04-24 | 1996-10-30 | 株式会社日立製作所 | 分散処理システムのシミユレ−シヨン方式 |
JPH0179141U (fr) * | 1987-11-18 | 1989-05-26 | ||
US4912708A (en) * | 1988-03-22 | 1990-03-27 | Siemens Transmission Systems, Inc. | Automatic microprocessor fault recovery system |
US5220673A (en) * | 1988-04-14 | 1993-06-15 | Zilog, Inc. | Device and method for programming critical hardware parameters |
US5193199A (en) * | 1988-04-14 | 1993-03-09 | Zilog, Inc. | Device and method for programming critical hardware parameters |
JPH0792764B2 (ja) * | 1988-05-25 | 1995-10-09 | 日本電気株式会社 | マイクロプロセッサ |
DE3826774A1 (de) * | 1988-08-06 | 1990-02-08 | Bosch Gmbh Robert | Netzwerkschnittstelle |
US4956842A (en) * | 1988-11-16 | 1990-09-11 | Sundstrand Corporation | Diagnostic system for a watchdog timer |
US5048017A (en) * | 1988-12-29 | 1991-09-10 | Breneman Brian H | Watchdog timer |
JP2623000B2 (ja) * | 1989-01-19 | 1997-06-25 | 三洋電機株式会社 | マイクロコンピュータのリセット機構 |
US5054023A (en) * | 1989-05-12 | 1991-10-01 | Kronberg James W | "Smart" watchdog safety switch |
FR2648586B1 (fr) * | 1989-06-16 | 1991-09-27 | Jaeger | Dispositif de surveillance du fonctionnement d'un microcontroleur ou microprocesseur |
US5109506A (en) * | 1989-06-19 | 1992-04-28 | International Business Machines Corp. | Microcomputer system including a microprocessor reset circuit |
ATE118283T1 (de) * | 1989-09-06 | 1995-02-15 | Omron Tateisi Electronics Co | Programmierbares steuerungsgerät. |
US5107523A (en) * | 1990-12-11 | 1992-04-21 | Intel Corporation | Processor clock governor |
GB2305036B (en) * | 1994-09-10 | 1997-08-13 | Holtek Microelectronics Inc | Reset signal generator |
US6760708B1 (en) | 1999-08-19 | 2004-07-06 | Dell Products L.P. | Method and system for migrating stored data to a build-to-order computing system |
US6606716B1 (en) | 1999-10-06 | 2003-08-12 | Dell Usa, L.P. | Method and system for automated technical support for computers |
IE20000602A1 (en) * | 1999-08-19 | 2001-04-18 | Dell Products Lp | Method and system for automated technical support for computers |
US6560726B1 (en) | 1999-08-19 | 2003-05-06 | Dell Usa, L.P. | Method and system for automated technical support for computers |
US6556431B1 (en) | 1999-10-06 | 2003-04-29 | Dell Usa, L.P. | System and method for converting alternating current into direct current |
US6574615B1 (en) | 1999-10-06 | 2003-06-03 | Dell Usa, L.P. | System and method for monitoring support activity |
US6539499B1 (en) | 1999-10-06 | 2003-03-25 | Dell Usa, L.P. | Graphical interface, method, and system for the provision of diagnostic and support services in a computer system |
US6564220B1 (en) | 1999-10-06 | 2003-05-13 | Dell Usa, L.P. | System and method for monitoring support activity |
US6598223B1 (en) | 1999-10-06 | 2003-07-22 | Dell Usa, L.P. | Method and system for installing and testing build-to-order components in a defined configuration computer system |
US7310751B2 (en) | 2004-02-20 | 2007-12-18 | Hewlett-Packard Development Company, L.P. | Timeout event trigger generation |
JP6257126B2 (ja) * | 2012-01-12 | 2018-01-10 | エスアイアイ・セミコンダクタ株式会社 | タイミング発生回路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3566368A (en) * | 1969-04-22 | 1971-02-23 | Us Army | Delta clock and interrupt logic |
US4072852A (en) * | 1976-08-23 | 1978-02-07 | Honeywell Inc. | Digital computer monitoring and restart circuit |
GB2035633A (en) * | 1978-10-25 | 1980-06-18 | Nissan Motor | Malfunction preventing system for a microcomputer system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1710785A1 (de) * | 1959-12-02 | 1970-08-20 | Siemens Elektrogeraete Gmbh | Einrichtung zur UEberwachung des Betriebszustandes von Waschmaschinen,insbesondere Waschautomaten |
GB1247548A (en) * | 1968-02-29 | 1971-09-22 | Allen Bradley Co | Supervisory system for time-shared numerical control system |
US3749897A (en) * | 1971-09-03 | 1973-07-31 | Collins Radio Co | System failure monitor title |
JPS5249703B2 (fr) * | 1972-02-18 | 1977-12-19 | ||
US4023109A (en) * | 1975-08-14 | 1977-05-10 | The Van Epps Design And Development Co., Inc. | Sequence control system with timed operations |
GB1603827A (en) * | 1977-05-23 | 1981-12-02 | Domestic Appliances Ltd | Washing machines |
JPS54101237A (en) * | 1978-01-26 | 1979-08-09 | Omron Tateisi Electronics Co | Malfunction prevention system for electronic circuit |
US4342083A (en) * | 1980-02-05 | 1982-07-27 | The Bendix Corporation | Communication system for a multiple-computer system |
-
1979
- 1979-11-15 DE DE2946081A patent/DE2946081C3/de not_active Expired - Lifetime
-
1980
- 1980-10-20 US US06/198,698 patent/US4405982A/en not_active Expired - Lifetime
- 1980-11-14 JP JP15966080A patent/JPS5688546A/ja active Pending
- 1980-11-14 IT IT68753/80A patent/IT1129860B/it active
- 1980-11-14 FR FR8024303A patent/FR2470987B1/fr not_active Expired
- 1980-11-17 GB GB8036848A patent/GB2065939B/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3566368A (en) * | 1969-04-22 | 1971-02-23 | Us Army | Delta clock and interrupt logic |
US4072852A (en) * | 1976-08-23 | 1978-02-07 | Honeywell Inc. | Digital computer monitoring and restart circuit |
GB2035633A (en) * | 1978-10-25 | 1980-06-18 | Nissan Motor | Malfunction preventing system for a microcomputer system |
Non-Patent Citations (1)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 17, no. 11, avril 1975, New York (US) * |
Also Published As
Publication number | Publication date |
---|---|
IT8068753A0 (it) | 1980-11-14 |
JPS5688546A (en) | 1981-07-18 |
FR2470987B1 (fr) | 1985-09-20 |
GB2065939A (en) | 1981-07-01 |
DE2946081C3 (de) | 1995-09-21 |
GB2065939B (en) | 1984-04-04 |
DE2946081C2 (fr) | 1990-08-09 |
US4405982A (en) | 1983-09-20 |
IT1129860B (it) | 1986-06-11 |
DE2946081A1 (de) | 1981-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |