JPS6275543U - - Google Patents
Info
- Publication number
- JPS6275543U JPS6275543U JP16699585U JP16699585U JPS6275543U JP S6275543 U JPS6275543 U JP S6275543U JP 16699585 U JP16699585 U JP 16699585U JP 16699585 U JP16699585 U JP 16699585U JP S6275543 U JPS6275543 U JP S6275543U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- detection means
- abnormality
- detecting
- abnormal
- 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
Links
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 6
- 230000005856 abnormality Effects 0.000 claims 3
- 230000008033 biological extinction Effects 0.000 claims 2
- 230000008034 disappearance Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Debugging And Monitoring (AREA)
Description
第１図は、本考案の好適な一実施例を示す電気
回路図である。第２図は、第１図に示す構成の作
用を説明するタイムチヤートである。
１……マイクロコンピユータ、２……第２異常
出力判定回路、３……ウオツチドツグ回路、５…
…リセツト回路。
FIG. 1 is an electrical circuit diagram showing a preferred embodiment of the present invention. FIG. 2 is a time chart illustrating the operation of the configuration shown in FIG. 1. 1... Microcomputer, 2... Second abnormal output determination circuit, 3... Watchdog circuit, 5...
...Reset circuit.
Claims (1)
マイクロコンピユータをリセツトするウオツチド
ツグ回路を備えたマイクロコンピユータにおいて
、該マイクロコンピユータが出力するウオツチド
ツグパルス信号の消滅を検出するパルス消滅検出
手段と、該マイクロコンピユータの出力の異常を
検出する異常出力検出手段と、上記パルス消滅検
出手段と異常出力検出手段との少くとも一方から
検出信号を入力すると該マイクロコンピユータへ
リセツト信号を出力するリセツト手段とを備えた
ことを特徴とするマイクロコンピユータの異常停
止装置。 (2) 上記異常出力検出手段を、マイクロコンピ
ユータに組み込んだことを特徴とするマイクロコ
ンピユータの異常停止装置。[Scope of Claim for Utility Model Registration] (1) In a microcomputer equipped with a watchdog circuit that detects runaway of the microcomputer and resets the microcomputer, detecting disappearance of the watchdog pulse signal outputted by the microcomputer. pulse extinction detection means for detecting an abnormality in the output of the microcomputer; and abnormal output detection means for detecting an abnormality in the output of the microcomputer; and when a detection signal is input from at least one of the pulse extinction detection means and the abnormal output detection means, a reset signal is sent to the microcomputer. What is claimed is: 1. An abnormal stop device for a microcomputer, characterized in that it is equipped with a reset means for outputting . (2) An abnormality stop device for a microcomputer, characterized in that the abnormal output detection means described above is incorporated into the microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16699585U JPS6275543U (en) | 1985-10-30 | 1985-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16699585U JPS6275543U (en) | 1985-10-30 | 1985-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6275543U true JPS6275543U (en) | 1987-05-14 |
Family
ID=31098503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16699585U Pending JPS6275543U (en) | 1985-10-30 | 1985-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6275543U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59146353A (en) * | 1983-02-09 | 1984-08-22 | Matsushita Electric Ind Co Ltd | Detector of trouble of microprocessor |
| JPS60100235A (en) * | 1983-11-04 | 1985-06-04 | Toshiba Corp | Self-diagnosing circuit |
-
1985
- 1985-10-30 JP JP16699585U patent/JPS6275543U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59146353A (en) * | 1983-02-09 | 1984-08-22 | Matsushita Electric Ind Co Ltd | Detector of trouble of microprocessor |
| JPS60100235A (en) * | 1983-11-04 | 1985-06-04 | Toshiba Corp | Self-diagnosing circuit |
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