NO990084L - FremgangsmÕte for tilbakestilling av en prosessor, samt vakthund - Google Patents

FremgangsmÕte for tilbakestilling av en prosessor, samt vakthund

Info

Publication number
NO990084L
NO990084L NO990084A NO990084A NO990084L NO 990084 L NO990084 L NO 990084L NO 990084 A NO990084 A NO 990084A NO 990084 A NO990084 A NO 990084A NO 990084 L NO990084 L NO 990084L
Authority
NO
Norway
Prior art keywords
watchdog
processor
pulses
reset
resetting
Prior art date
Application number
NO990084A
Other languages
English (en)
Other versions
NO990084D0 (no
Inventor
Juha Vasanoja
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of NO990084D0 publication Critical patent/NO990084D0/no
Publication of NO990084L publication Critical patent/NO990084L/no

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/24—Resetting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Debugging And Monitoring (AREA)
  • Multi Processors (AREA)
  • Hardware Redundancy (AREA)
  • Programmable Controllers (AREA)

Abstract

Oppfinnelsen angår en fremgangsmåte for tilbakestilling av en prosessor, og en vakthund for å generere en lilbakestillingspuls til en prosessor som kan initialisere seg selv, og som sender ekjennelsespulser med forutbestemte intervaller til vakthunden som omfatter en transmisjonsanordning (5) for å generere og overføre tilbakestillingspulser til prosessoren. Vakthunden omfatter en telleranordning (7) for å telle antallet tilbakestillingspulser som genereres under initialisering, og for å sette en forutbestemt grenseverdi for tilbakestillingspulser. Vakthunden omfatter videre en måleanordning (4) for å måle intervallet mellom erkjennelsespulser som sendes av prosessoren, l tillegg omfatter vakthunden en transmisjonsanordning (5) for å overføre en tilbakestillingspuls når intervallet mellom erkjennelsespulser skiller seg fra et forutbestemt intervall.
NO990084A 1996-07-09 1999-01-08 FremgangsmÕte for tilbakestilling av en prosessor, samt vakthund NO990084L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI962795A FI108898B (fi) 1996-07-09 1996-07-09 Menetelmä prosessorin resetoimiseksi ja vahtikoira
PCT/FI1997/000444 WO1998001802A2 (en) 1996-07-09 1997-07-08 Method for resetting processor, and watchdog

Publications (2)

Publication Number Publication Date
NO990084D0 NO990084D0 (no) 1999-01-08
NO990084L true NO990084L (no) 1999-01-08

Family

ID=8546362

Family Applications (1)

Application Number Title Priority Date Filing Date
NO990084A NO990084L (no) 1996-07-09 1999-01-08 FremgangsmÕte for tilbakestilling av en prosessor, samt vakthund

Country Status (10)

Country Link
US (1) US6405328B1 (no)
EP (1) EP0910823B1 (no)
JP (1) JP2000514221A (no)
CN (1) CN1227642A (no)
AT (1) ATE254305T1 (no)
AU (1) AU718652B2 (no)
DE (1) DE69726149T2 (no)
FI (1) FI108898B (no)
NO (1) NO990084L (no)
WO (1) WO1998001802A2 (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4734484B2 (ja) * 2000-10-19 2011-07-27 新世代株式会社 情報処理装置およびメモリカートリッジシステム
JP4194748B2 (ja) * 2000-12-26 2008-12-10 株式会社ホンダエレシス 演算制御装置
CN1308789C (zh) * 2002-01-29 2007-04-04 中兴通讯股份有限公司 一种复位方法
US7036013B2 (en) * 2002-01-31 2006-04-25 Brocade Communications Systems, Inc. Secure distributed time service in the fabric environment
JP3988636B2 (ja) * 2002-02-15 2007-10-10 株式会社デンソー マイクロコンピュータ及び車両用ｅｃｕ
DE10225472A1 (de) * 2002-06-10 2003-12-18 Philips Intellectual Property Verfahren und Chipeinheit zum Überwachen des Betriebs einer Mikrocontrollereinheit
US7917738B2 (en) * 2002-06-11 2011-03-29 Nxp B.V. Method and base chip for monitoring the operation of a microcontroller unit
US6996732B2 (en) * 2002-09-07 2006-02-07 Micrologic, Inc. Method of and apparatus for achieving “watch dog” functions in microcontrollers and microcomputers and the like, required to shut down for extended periods of time for energy-conservation purposes
US20040250178A1 (en) * 2003-05-23 2004-12-09 Munguia Peter R. Secure watchdog timer
US20050188274A1 (en) * 2004-01-29 2005-08-25 Embedded Wireless Labs Watchdog system and method for monitoring functionality of a processor
US7310751B2 (en) * 2004-02-20 2007-12-18 Hewlett-Packard Development Company, L.P. Timeout event trigger generation
CN101290599B (zh) * 2008-05-16 2011-09-14 北京星网锐捷网络技术有限公司 检测看门狗清零信号的系统及方法
JP5246230B2 (ja) * 2010-09-13 2013-07-24 株式会社デンソー 車両用電子制御装置
JP5772865B2 (ja) 2013-04-17 2015-09-02 トヨタ自動車株式会社 安全制御装置、安全制御方法、及び制御プログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS61296443A (ja) 1985-06-24 1986-12-27 Mitsubishi Electric Corp ウオツチドツグ・タイマ
US4727549A (en) 1985-09-13 1988-02-23 United Technologies Corporation Watchdog activity monitor (WAM) for use wth high coverage processor self-test
JPH03232024A (ja) * 1990-02-08 1991-10-16 Zexel Corp ウオッチドッグタイマ回路
DE4039355C2 (de) * 1990-12-10 1998-07-30 Bosch Gmbh Robert Vorrichtung zur Funktionsüberprüfung einer Watchdog-Schaltung
JPH06168163A (ja) * 1992-09-30 1994-06-14 Nec Home Electron Ltd Ｃｐｕ監視方法及びｃｐｕ監視装置
DE4330940A1 (de) * 1993-09-08 1995-03-09 Siemens Ag Verfahren zum Überwachen einer programmgesteuerten Schaltung
DE4332769C1 (de) * 1993-09-25 1994-12-15 Bosch Gmbh Robert Mikrorechner
US5704038A (en) * 1994-09-30 1997-12-30 Itt Automotive Electrical Systems, Inc. Power-on-reset and watchdog circuit and method
US5708776A (en) * 1996-05-09 1998-01-13 Elonex I.P. Holdings Automatic recovery for network appliances
US5864663A (en) * 1996-09-12 1999-01-26 United Technologies Corporation Selectively enabled watchdog timer circuit

Also Published As

Publication number Publication date
AU718652B2 (en) 2000-04-20
DE69726149T2 (de) 2004-08-26
FI108898B (fi) 2002-04-15
FI962795A (fi) 1998-01-10
AU3347397A (en) 1998-02-02
EP0910823B1 (en) 2003-11-12
JP2000514221A (ja) 2000-10-24
WO1998001802A3 (en) 1998-03-05
FI962795A0 (fi) 1996-07-09
CN1227642A (zh) 1999-09-01
WO1998001802A2 (en) 1998-01-15
NO990084D0 (no) 1999-01-08
US6405328B1 (en) 2002-06-11
ATE254305T1 (de) 2003-11-15
DE69726149D1 (de) 2003-12-18
EP0910823A2 (en) 1999-04-28

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application