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DE68926794D1 - Zeitüberwachungseinrichtung - Google Patents

Zeitüberwachungseinrichtung

Info

Publication number
DE68926794D1
DE68926794D1 DE68926794T DE68926794T DE68926794D1 DE 68926794 D1 DE68926794 D1 DE 68926794D1 DE 68926794 T DE68926794 T DE 68926794T DE 68926794 T DE68926794 T DE 68926794T DE 68926794 D1 DE68926794 D1 DE 68926794D1
Authority
DE
Germany
Prior art keywords
watchdog timer
code
programmable
immune
preset
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 - Lifetime
Application number
DE68926794T
Other languages
English (en)
Inventor
Bruce Randal Allen
Arthur Benjamin Oliver
Robert W O'dell
James E Bowles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE68926794D1 publication Critical patent/DE68926794D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Electronic Switches (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Recording Measured Values (AREA)
DE68926794T 1988-03-29 1989-02-21 Zeitüberwachungseinrichtung Expired - Lifetime DE68926794D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17475488A 1988-03-29 1988-03-29

Publications (1)

Publication Number Publication Date
DE68926794D1 true DE68926794D1 (de) 1996-08-14

Family

ID=22637391

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68926794T Expired - Lifetime DE68926794D1 (de) 1988-03-29 1989-02-21 Zeitüberwachungseinrichtung

Country Status (4)

Country Link
EP (1) EP0335494B1 (de)
JP (1) JP2857708B2 (de)
AT (1) ATE140324T1 (de)
DE (1) DE68926794D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5247163A (en) * 1990-04-20 1993-09-21 Mitsubishi Denki Kabushiki Kaisha IC card having a monitor timer and a reset signal discrimination circuit
JP2527251B2 (ja) * 1990-04-20 1996-08-21 三菱電機株式会社 Ｉｃカ―ド
US5541943A (en) * 1994-12-02 1996-07-30 At&T Corp. Watchdog timer lock-up prevention circuit
EP0851350A3 (de) * 1996-11-12 1999-02-17 WaferScale Integration Inc. Programmierbare unabhängige Überwachungsschaltung
US6393589B1 (en) * 1998-09-16 2002-05-21 Microchip Technology Incorporated Watchdog timer control circuit with permanent and programmable enablement
CN100544205C (zh) * 2005-12-07 2009-09-23 群康科技(深圳)有限公司 防治静电放电导致电子装置复位的方法
US10990319B2 (en) * 2018-06-18 2021-04-27 Micron Technology, Inc. Adaptive watchdog in a memory device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919533A (en) * 1974-11-08 1975-11-11 Westinghouse Electric Corp Electrical fault indicator
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
US4586179A (en) * 1983-12-09 1986-04-29 Zenith Electronics Corporation Microprocessor reset with power level detection and watchdog timer
JPS60124748A (ja) * 1983-12-09 1985-07-03 Canon Inc ウオツチドツグタイマのセツト方式
JPS6260038A (ja) * 1985-09-10 1987-03-16 Hochiki Corp ウオツチドツグ回路

Also Published As

Publication number Publication date
EP0335494B1 (de) 1996-07-10
JP2857708B2 (ja) 1999-02-17
JPH0222742A (ja) 1990-01-25
ATE140324T1 (de) 1996-07-15
EP0335494A3 (de) 1991-07-10
EP0335494A2 (de) 1989-10-04

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Legal Events

Date Code Title Description
8332 No legal effect for de