JPS6184902U - - Google Patents

Info

Publication number
JPS6184902U
JPS6184902U JP16937084U JP16937084U JPS6184902U JP S6184902 U JPS6184902 U JP S6184902U JP 16937084 U JP16937084 U JP 16937084U JP 16937084 U JP16937084 U JP 16937084U JP S6184902 U JPS6184902 U JP S6184902U
Authority
JP
Japan
Prior art keywords
microcomputer
reset
runaway
vehicle
circuit
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.)
Pending
Application number
JP16937084U
Other languages
English (en)
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 filed Critical
Priority to JP16937084U priority Critical patent/JPS6184902U/ja
Publication of JPS6184902U publication Critical patent/JPS6184902U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Safety Devices In Control Systems (AREA)

Description

【図面の簡単な説明】
第1図は、本考案の好適な実施例を示す電気回
路図である。第2図は、第1図に示す電気回路の
各部の信号波形を示すタイムチヤートである。第
3図は、第1図に示すCPUのサブルーチンを示
すフローチヤートである。 1……ウオツチドツグリセツト記憶回路、2…
…CPU、3……RAM、4……ROM、5……
マルチプレクサ、6……ウオツチドツグ回路、7
……リセツト回路、8……RAM記憶保持回路、
9……RAM用電源、10……定電圧電源、11
……イグニシヨンスイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. マイクロコンピユータの暴走等を検知してマイ
    クロコンピユータをリセツトするウオツチドツグ
    回路を備えた車両用マイクロコンピユータ装置に
    於いて、前記マイクロコンピユータがリセツトさ
    れた時当該マイクロコンピユータとの協働により
    車両の電源スイツチのオン、オフ作用によりリセ
    ツトかマイクロコンピユータの暴走によるリセツ
    トかを検知し、暴走によるリセツトの場合は無条
    件で読み書き可能なRAMをクリアしマイクロコ
    ンピユータ装置の異常動作を防止すべく構成され
    たウオツチドツグリセツト記憶回路を備えてなる
    車両用マイクロコンピユータ装置のリセツト補償
    回路。
JP16937084U 1984-11-08 1984-11-08 Pending JPS6184902U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16937084U JPS6184902U (ja) 1984-11-08 1984-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16937084U JPS6184902U (ja) 1984-11-08 1984-11-08

Publications (1)

Publication Number Publication Date
JPS6184902U true JPS6184902U (ja) 1986-06-04

Family

ID=30727109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16937084U Pending JPS6184902U (ja) 1984-11-08 1984-11-08

Country Status (1)

Country Link
JP (1) JPS6184902U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6449444A (en) * 1987-08-20 1989-02-23 Oki Electric Ind Co Ltd Reset signal discrimination circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725002A (en) * 1980-12-17 1982-02-09 Yokogawa Hokushin Electric Corp Contol device using microcomputer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725002A (en) * 1980-12-17 1982-02-09 Yokogawa Hokushin Electric Corp Contol device using microcomputer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6449444A (en) * 1987-08-20 1989-02-23 Oki Electric Ind Co Ltd Reset signal discrimination circuit

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