FR2844892B1 - Horloge de surveillance de microcontroleur - Google Patents
Horloge de surveillance de microcontroleurInfo
- Publication number
- FR2844892B1 FR2844892B1 FR0211786A FR0211786A FR2844892B1 FR 2844892 B1 FR2844892 B1 FR 2844892B1 FR 0211786 A FR0211786 A FR 0211786A FR 0211786 A FR0211786 A FR 0211786A FR 2844892 B1 FR2844892 B1 FR 2844892B1
- Authority
- FR
- France
- Prior art keywords
- surveillance
- microcontroller
- clock
- surveillance clock
- microcontroller surveillance
- 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
- G06F11/0754—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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0211786A FR2844892B1 (fr) | 2002-09-24 | 2002-09-24 | Horloge de surveillance de microcontroleur |
US10/670,996 US6961866B2 (en) | 2002-09-24 | 2003-09-24 | Watchdog timer for microcontroller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0211786A FR2844892B1 (fr) | 2002-09-24 | 2002-09-24 | Horloge de surveillance de microcontroleur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2844892A1 FR2844892A1 (fr) | 2004-03-26 |
FR2844892B1 true FR2844892B1 (fr) | 2005-05-27 |
Family
ID=31970931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0211786A Expired - Fee Related FR2844892B1 (fr) | 2002-09-24 | 2002-09-24 | Horloge de surveillance de microcontroleur |
Country Status (2)
Country | Link |
---|---|
US (1) | US6961866B2 (fr) |
FR (1) | FR2844892B1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10203807C1 (de) * | 2002-01-31 | 2003-07-31 | Siemens Ag | Verfahren und Schaltungsanordnung zum Überwachen der Funktion eines Prozessors |
US20040250178A1 (en) * | 2003-05-23 | 2004-12-09 | Munguia Peter R. | Secure watchdog timer |
US7783872B2 (en) * | 2007-03-30 | 2010-08-24 | Dell Products, Lp | System and method to enable an event timer in a multiple event timer operating environment |
US8698756B2 (en) * | 2007-11-06 | 2014-04-15 | Stmicroelectronics Asia Pacific Pte Ltd. | Interrupt reduction method in touch screen controller |
US8330502B2 (en) * | 2009-11-25 | 2012-12-11 | Freescale Semiconductor, Inc. | Systems and methods for detecting interference in an integrated circuit |
JP5533097B2 (ja) * | 2010-03-18 | 2014-06-25 | 株式会社リコー | 情報処理装置、画像形成装置及び情報処理プログラム |
EP2565653B1 (fr) * | 2011-09-05 | 2019-05-08 | Fluke Corporation | Unité de surveillance pour détecteur de tension avec affichage déclenchant avertissement visuel |
US9972376B2 (en) | 2013-11-07 | 2018-05-15 | International Business Machines Corporation | Memory device for interruptible memory refresh |
US10096353B2 (en) | 2013-11-07 | 2018-10-09 | International Business Machines Corporation | System and memory controller for interruptible memory refresh |
US10089164B2 (en) * | 2015-02-27 | 2018-10-02 | Microchip Technology Incorporated | Watchdog timer |
JP7027974B2 (ja) * | 2018-03-12 | 2022-03-02 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
US10990319B2 (en) | 2018-06-18 | 2021-04-27 | Micron Technology, Inc. | Adaptive watchdog in a memory device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4705970A (en) * | 1985-02-04 | 1987-11-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Programmable interval timer with lock means |
EP0315054B1 (fr) * | 1987-11-06 | 1996-10-09 | Joh. Vaillant GmbH u. Co. | Procédé de surveillance d'un circuit de surveillance de temps de microprocesseur et dispositif pour la réalisation du procédé |
US5175845A (en) * | 1988-12-09 | 1992-12-29 | Dallas Semiconductor Corp. | Integrated circuit with watchdog timer and sleep control logic which places IC and watchdog timer into sleep mode |
US5203000A (en) * | 1988-12-09 | 1993-04-13 | Dallas Semiconductor Corp. | Power-up reset conditioned on direction of voltage change |
US5418968A (en) * | 1990-10-31 | 1995-05-23 | Gobeli; Gregg P. | System and method for controlling interrupt processing |
JPH06168163A (ja) * | 1992-09-30 | 1994-06-14 | Nec Home Electron Ltd | Cpu監視方法及びcpu監視装置 |
US5907863A (en) * | 1996-08-16 | 1999-05-25 | Unisys Corporation | Memory control unit using preloaded values to generate optimal timing of memory control sequences between different memory segments |
US5864663A (en) * | 1996-09-12 | 1999-01-26 | United Technologies Corporation | Selectively enabled watchdog timer circuit |
-
2002
- 2002-09-24 FR FR0211786A patent/FR2844892B1/fr not_active Expired - Fee Related
-
2003
- 2003-09-24 US US10/670,996 patent/US6961866B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2844892A1 (fr) | 2004-03-26 |
US6961866B2 (en) | 2005-11-01 |
US20050114732A1 (en) | 2005-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20100531 |