AU5116490A - Watchdog timer circuit - Google Patents

Watchdog timer circuit

Info

Publication number
AU5116490A
AU5116490A AU51164/90A AU5116490A AU5116490A AU 5116490 A AU5116490 A AU 5116490A AU 51164/90 A AU51164/90 A AU 51164/90A AU 5116490 A AU5116490 A AU 5116490A AU 5116490 A AU5116490 A AU 5116490A
Authority
AU
Australia
Prior art keywords
timer circuit
watchdog timer
watchdog
circuit
timer
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
Application number
AU51164/90A
Other versions
AU630674B2 (en
Inventor
Ronald Christopher Shaw Fox
Frederick Dennis Montano
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Standard Telephone and Cables PLC
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 Standard Telephone and Cables Pty Ltd, Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables Pty Ltd
Publication of AU5116490A publication Critical patent/AU5116490A/en
Assigned to ALCATEL AUSTRALIA LIMITED reassignment ALCATEL AUSTRALIA LIMITED Amend patent request/document other than specification (104) Assignors: STANDARD TELEPHONES AND CABLES PTY. LIMITED
Application granted granted Critical
Publication of AU630674B2 publication Critical patent/AU630674B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level

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)
AU51164/90A 1989-03-23 1990-03-09 Watchdog timer circuit Ceased AU630674B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPJ3354 1989-03-23
AUPJ335489 1989-03-23

Publications (2)

Publication Number Publication Date
AU5116490A true AU5116490A (en) 1990-09-27
AU630674B2 AU630674B2 (en) 1992-11-05

Family

ID=3773804

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51164/90A Ceased AU630674B2 (en) 1989-03-23 1990-03-09 Watchdog timer circuit

Country Status (1)

Country Link
AU (1) AU630674B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU673320B1 (en) * 1995-05-31 1996-10-31 Samsung Electronics Co., Ltd. CPU reset circuit
AU677722B2 (en) * 1993-12-10 1997-05-01 Alcatel Australia Limited Watchdog timer circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60212028A (en) * 1984-04-05 1985-10-24 Mitsubishi Electric Corp Reset circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU677722B2 (en) * 1993-12-10 1997-05-01 Alcatel Australia Limited Watchdog timer circuit
AU673320B1 (en) * 1995-05-31 1996-10-31 Samsung Electronics Co., Ltd. CPU reset circuit

Also Published As

Publication number Publication date
AU630674B2 (en) 1992-11-05

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired