JPH0320775B2 - - Google Patents

Info

Publication number
JPH0320775B2
JPH0320775B2 JP57226309A JP22630982A JPH0320775B2 JP H0320775 B2 JPH0320775 B2 JP H0320775B2 JP 57226309 A JP57226309 A JP 57226309A JP 22630982 A JP22630982 A JP 22630982A JP H0320775 B2 JPH0320775 B2 JP H0320775B2
Authority
JP
Japan
Prior art keywords
counter
microcomputer
output
signal
reset
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
JP57226309A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59117647A (ja
Inventor
Shigeru Yamaguchi
Takusane Nishimura
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.)
Hitachi Microcomputer System Ltd
Hitachi Ltd
Original Assignee
Hitachi Microcomputer System Ltd
Hitachi Ltd
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 Hitachi Microcomputer System Ltd, Hitachi Ltd filed Critical Hitachi Microcomputer System Ltd
Priority to JP57226309A priority Critical patent/JPS59117647A/ja
Publication of JPS59117647A publication Critical patent/JPS59117647A/ja
Publication of JPH0320775B2 publication Critical patent/JPH0320775B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
JP57226309A 1982-12-24 1982-12-24 マイクロコンピュータ誤動作防止方式 Granted JPS59117647A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57226309A JPS59117647A (ja) 1982-12-24 1982-12-24 マイクロコンピュータ誤動作防止方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57226309A JPS59117647A (ja) 1982-12-24 1982-12-24 マイクロコンピュータ誤動作防止方式

Publications (2)

Publication Number Publication Date
JPS59117647A JPS59117647A (ja) 1984-07-07
JPH0320775B2 true JPH0320775B2 (en]) 1991-03-20

Family

ID=16843179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57226309A Granted JPS59117647A (ja) 1982-12-24 1982-12-24 マイクロコンピュータ誤動作防止方式

Country Status (1)

Country Link
JP (1) JPS59117647A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62206686A (ja) * 1986-03-07 1987-09-11 Nec Corp バ−コ−ドリ−ダ
JPS62256051A (ja) * 1986-04-30 1987-11-07 Nec Corp Ｃｐｕ正常動作監視回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946081C3 (de) * 1979-11-15 1995-09-21 Wabco Vermoegensverwaltung Schaltungsanordnung zur Überwachung der Funktion eines Mikroprozessors
JPS576944A (en) * 1980-06-13 1982-01-13 Mitsubishi Electric Corp Fault detecting device

Also Published As

Publication number Publication date
JPS59117647A (ja) 1984-07-07

Similar Documents

Publication Publication Date Title
US4627060A (en) Watchdog timer
US4816776A (en) Integrated circuit configuration and method for monitoring a co-integrated oscillator
JPH0320775B2 (en])
US5063355A (en) Timer circuit
JPH07334392A (ja) リセット装置及び異常動作検出装置
JP3144811B2 (ja) 監視タイマ回路
JPH01191918A (ja) マイクロコンピュータ
JP2731386B2 (ja) 制御装置
JPH0312723B2 (en])
JPH0218633A (ja) マイクロプロセッサ暴走監視・再起動回路
JPS57106926A (en) Program stole detecting system
JPH0792793B2 (ja) マイクロコンピユ−タ
JP2516711B2 (ja) ウォッチドッグタイマ装置
JPH0531397Y2 (en])
JPH0751631Y2 (ja) Ｃｐｕの暴走検出回路
SU1103198A1 (ru) Устройство управлени регистром цифрового реле оборотов
JPS57199057A (en) Error detecting device
JP2826883B2 (ja) 信号の時間間隔監視装置
JPS62272334A (ja) ウオツチドツグタイマ
JPS60100235A (ja) 自己診断回路
JPS5917643A (ja) マイクロプロセツサにおけるプログラム暴走防止方式
JPS6349855A (ja) Ｃｐｕの割込み周期異常検出装置
JPS60144145U (ja) プログラム監視装置
JPS59146354A (ja) マイクロプロセツサの暴走停止装置
JPS585130U (ja) プログラマブルロジツクコントロ−ラ