DE3750948D1 - Datenverarbeitungssystem mit watch-dog Schaltung. - Google Patents
Datenverarbeitungssystem mit watch-dog Schaltung.Info
- Publication number
- DE3750948D1 DE3750948D1 DE3750948T DE3750948T DE3750948D1 DE 3750948 D1 DE3750948 D1 DE 3750948D1 DE 3750948 T DE3750948 T DE 3750948T DE 3750948 T DE3750948 T DE 3750948T DE 3750948 D1 DE3750948 D1 DE 3750948D1
- Authority
- DE
- Germany
- Prior art keywords
- watch
- data processing
- processing system
- dog circuit
- dog
- 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 - Fee Related
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
- G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08626197A GB2197507A (en) | 1986-11-03 | 1986-11-03 | Data processing system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3750948D1 true DE3750948D1 (de) | 1995-02-16 |
DE3750948T2 DE3750948T2 (de) | 1995-08-03 |
Family
ID=10606705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3750948T Expired - Fee Related DE3750948T2 (de) | 1986-11-03 | 1987-10-30 | Datenverarbeitungssystem mit watch-dog Schaltung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5073853A (de) |
EP (1) | EP0266836B1 (de) |
JP (1) | JP2755581B2 (de) |
AU (1) | AU604776B2 (de) |
DE (1) | DE3750948T2 (de) |
GB (1) | GB2197507A (de) |
NZ (1) | NZ222361A (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2658303B1 (fr) * | 1990-02-09 | 1992-06-19 | Neiman Sa | Dispositif de surveillance du fonctionnement d'un systeme a microprocesseur ou analogue. |
GB2241799B (en) * | 1990-03-08 | 1993-12-08 | Sony Corp | Supervision of microprocessors |
US5278976A (en) * | 1990-04-16 | 1994-01-11 | Rolm Company | Method for detecting infinite loops by setting a flag indicating execution of an idle task having lower priority than executing application tasks |
DE4039355C2 (de) * | 1990-12-10 | 1998-07-30 | Bosch Gmbh Robert | Vorrichtung zur Funktionsüberprüfung einer Watchdog-Schaltung |
JP2758742B2 (ja) * | 1991-07-19 | 1998-05-28 | 日本電気株式会社 | 誤動作検出方式 |
FR2692379B1 (fr) * | 1991-10-04 | 1996-08-14 | Aerospatiale Ste Nat Indle | Procede de detection et de passivation de pannes dans un systeme de traitement de donnees, et systeme de traitement de donnees adapte a sa mise en oeuvre |
US5341497A (en) * | 1991-10-16 | 1994-08-23 | Ohmeda Inc. | Method and apparatus for a computer system to detect program faults and permit recovery from such faults |
JP2658697B2 (ja) * | 1991-12-11 | 1997-09-30 | 富士通株式会社 | ウォッチ・ドック・タイマ回路 |
JPH0683652A (ja) * | 1992-08-31 | 1994-03-25 | Sharp Corp | マイクロコンピュ−タシステム |
JPH06168163A (ja) * | 1992-09-30 | 1994-06-14 | Nec Home Electron Ltd | Cpu監視方法及びcpu監視装置 |
JP3135772B2 (ja) * | 1993-12-27 | 2001-02-19 | アスコ株式会社 | 車両用安全装置 |
US5948606A (en) * | 1994-03-31 | 1999-09-07 | Eastman Kodak Company | Protective top layer and photographic products containing this top layer |
KR100311366B1 (ko) * | 1994-11-28 | 2002-02-19 | 구자홍 | 워치독타이머기능을갖는콘트롤러 |
US5541943A (en) * | 1994-12-02 | 1996-07-30 | At&T Corp. | Watchdog timer lock-up prevention circuit |
US5528756A (en) * | 1995-01-30 | 1996-06-18 | Elsag International N.V. | Method and apparatus for performing supervisory functions in digital systems and obtaining diagnostics thereof |
US5673389A (en) * | 1995-08-31 | 1997-09-30 | Ford Motor Company | Methods and apparatus for resetting a monitored system using a gray code with alternating check bits |
US5745386A (en) * | 1995-09-25 | 1998-04-28 | International Business Machines Corporation | Timing diagram method for inputting logic design parameters to build a testcase for the logic diagram |
KR100252250B1 (ko) * | 1996-06-28 | 2000-04-15 | 윤종용 | 시스템복구장치 |
DE19627362C2 (de) * | 1996-07-06 | 1998-11-26 | Bosch Gmbh Robert | Schaltung zur Initialisierung und Überwachung eines Mikroprozessors |
DE19780852D2 (de) | 1996-08-12 | 1999-11-11 | Papst Motoren Gmbh & Co Kg | Verfahren und Anordnung zur Überwachung eines Mikroprozessors |
DE19827430C2 (de) * | 1997-07-22 | 2001-07-12 | Siemens Ag | Überwachungsverfahren zur Erkennung von Endlosschleifen und blockierten Prozessen in einem Rechnersystem |
FR2771564B1 (fr) * | 1997-11-21 | 2000-02-11 | Sextant Avionique | Dispositif pour l'initialisation a la mise sous tension d'un circuit integre digital |
US6141774A (en) * | 1998-04-17 | 2000-10-31 | Infineon Technologies North America Corp. | Peripheral device with access control |
GB9911890D0 (en) | 1999-05-22 | 1999-07-21 | Lucas Ind Plc | Method and apparatus for detecting a fault condition in a computer processor |
US6476996B1 (en) | 2000-02-15 | 2002-11-05 | Western Digital Technologies, Inc. | Disk drive comprising an actuator driver circuit for retracting a head independent of a servo microprocessor when a spindle speed fault mode is detected |
US6779066B2 (en) * | 2000-05-01 | 2004-08-17 | Matsushita Electric Industrial Co., Ltd. | Module having application-specific program stored therein |
KR100820789B1 (ko) * | 2001-04-06 | 2008-04-10 | 엘지전자 주식회사 | 실시간 기반 시스템 및 그의 모니터링 방법 |
US20060235655A1 (en) * | 2005-04-18 | 2006-10-19 | Qing Richard X | Method for monitoring function execution |
US8330502B2 (en) * | 2009-11-25 | 2012-12-11 | Freescale Semiconductor, Inc. | Systems and methods for detecting interference in an integrated circuit |
US9697065B1 (en) | 2016-03-09 | 2017-07-04 | Nxp Usa, Inc. | Systems and methods for managing reset |
US10157087B1 (en) | 2017-07-14 | 2018-12-18 | Nxp Usa, Inc. | Robust boot block design and architecture |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3919533A (en) * | 1974-11-08 | 1975-11-11 | Westinghouse Electric Corp | Electrical fault indicator |
DE2821882C2 (de) * | 1978-05-19 | 1983-01-20 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Programmsteuereinheit mit Prüfmöglichkeit |
DE2946081C3 (de) * | 1979-11-15 | 1995-09-21 | Wabco Vermoegensverwaltung | Schaltungsanordnung zur Überwachung der Funktion eines Mikroprozessors |
GB2070302B (en) * | 1980-02-19 | 1985-02-13 | Omron Tateisi Electronics Co | Data communication system |
CA1160753A (en) * | 1980-08-20 | 1984-01-17 | David R. Boothman | Microprocessor watchdog system |
US4570217A (en) * | 1982-03-29 | 1986-02-11 | Allen Bruce S | Man machine interface |
US4538273A (en) * | 1982-11-12 | 1985-08-27 | Honeywell Inc. | Dual input watchdog timer |
JPS603045A (ja) * | 1983-06-20 | 1985-01-09 | Nec Corp | プログラムアドレス誤動作検出装置 |
US4594685A (en) * | 1983-06-24 | 1986-06-10 | General Signal Corporation | Watchdog timer |
JPS6039255A (ja) * | 1983-08-12 | 1985-03-01 | Mitsubishi Electric Corp | ウオツチドグタイマのリセツト回路 |
DE3343227A1 (de) * | 1983-11-30 | 1985-06-05 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur ueberwachung von elektronischen rechenbausteinen, insbesondere mikroprozessoren |
US4759952A (en) * | 1984-01-26 | 1988-07-26 | Learonal, Inc. | Process for printed circuit board manufacture |
JPS60193060A (ja) * | 1984-03-14 | 1985-10-01 | Mitsubishi Electric Corp | ウオツチドツグタイマ−装置 |
JPS60263235A (ja) * | 1984-06-12 | 1985-12-26 | Omron Tateisi Electronics Co | マイクロコンピユ−タシステム |
US4649537A (en) * | 1984-10-22 | 1987-03-10 | Westinghouse Electric Corp. | Random pattern lock and key fault detection scheme for microprocessor systems |
US4689766A (en) * | 1984-11-16 | 1987-08-25 | Zenith Electronics Corporation | System for resetting the operation of a signal processing device upon the failure of accessng a predetermined memory location within a predetermined time interval |
US4803682A (en) * | 1985-03-04 | 1989-02-07 | Sanyo Electric Co., Ltd. | Resetting system |
DK190785A (da) * | 1985-04-29 | 1986-10-30 | Nordiske Kabel Traad | Fremgangsmaade til overvaagning af en databehandlingsenhed, samt anlaegtil udoevelse af fremgangsmaaden |
US4879647A (en) * | 1985-06-11 | 1989-11-07 | Nec Corporation | Watchdog timer circuit suited for use in microcomputer |
GB2177241B (en) * | 1985-07-05 | 1989-07-19 | Motorola Inc | Watchdog timer |
US4727549A (en) * | 1985-09-13 | 1988-02-23 | United Technologies Corporation | Watchdog activity monitor (WAM) for use wth high coverage processor self-test |
JPS62157953A (ja) * | 1985-12-28 | 1987-07-13 | Honda Motor Co Ltd | 異常検知機能を備えたマイクロコンピユ−タ |
JPH0795291B2 (ja) * | 1986-01-13 | 1995-10-11 | 沖電気工業株式会社 | ウオツチドツグタイマ |
GB2197508A (en) * | 1986-11-03 | 1988-05-18 | Philips Electronic Associated | Data processing system with watchdog |
JPS63118651U (de) * | 1987-01-28 | 1988-08-01 | ||
US4912708A (en) * | 1988-03-22 | 1990-03-27 | Siemens Transmission Systems, Inc. | Automatic microprocessor fault recovery system |
US5012435A (en) * | 1988-11-17 | 1991-04-30 | International Business Machines Corporation | Multiple event timer circuit |
-
1986
- 1986-11-03 GB GB08626197A patent/GB2197507A/en not_active Withdrawn
-
1987
- 1987-10-30 EP EP87202088A patent/EP0266836B1/de not_active Expired - Lifetime
- 1987-10-30 DE DE3750948T patent/DE3750948T2/de not_active Expired - Fee Related
- 1987-10-30 NZ NZ222361A patent/NZ222361A/xx unknown
- 1987-11-02 US US07/116,415 patent/US5073853A/en not_active Expired - Lifetime
- 1987-11-03 AU AU80617/87A patent/AU604776B2/en not_active Ceased
- 1987-11-04 JP JP62279004A patent/JP2755581B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NZ222361A (en) | 1990-06-26 |
AU8061787A (en) | 1988-05-05 |
JPS63133238A (ja) | 1988-06-06 |
EP0266836A2 (de) | 1988-05-11 |
EP0266836B1 (de) | 1995-01-04 |
EP0266836A3 (en) | 1990-05-16 |
JP2755581B2 (ja) | 1998-05-20 |
DE3750948T2 (de) | 1995-08-03 |
AU604776B2 (en) | 1991-01-03 |
US5073853A (en) | 1991-12-17 |
GB8626197D0 (en) | 1986-12-03 |
GB2197507A (en) | 1988-05-18 |
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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: SIMOCO INTERNATIONAL LTD., CAMBRIDGE, GB |
|
8328 | Change in the person/name/address of the agent |
Free format text: HANSMANN, VOGESER & PARTNER, 81369 MUENCHEN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SEPURA LTD., CAMBRIDGE, GB |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: HANSMANN & VOGESER, 81369 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |