JPH0232155U - - Google Patents
Info
- Publication number
- JPH0232155U JPH0232155U JP10830188U JP10830188U JPH0232155U JP H0232155 U JPH0232155 U JP H0232155U JP 10830188 U JP10830188 U JP 10830188U JP 10830188 U JP10830188 U JP 10830188U JP H0232155 U JPH0232155 U JP H0232155U
- Authority
- JP
- Japan
- Prior art keywords
- processing unit
- central processing
- signal
- count
- abnormality detection
- 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
- 230000005856 abnormality Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Debugging And Monitoring (AREA)
Description
第１図は本考案実施例の構成を示す回路図、第
２図は第１図示のＣＰＵ７が実行する制御手順を
示すフローチヤート、第３図は本考案実施例の各
種信号の発生タイミングを示すタイミングチヤー
ト、第４図は従来例の構成を示す回路図である。
１……ウオツチドツクタイマー（ＷＤＴ）回路
、２，７……ＣＰＵ、３，９……警告ランプ、４
……外部装置、５……タイマー、６……オア回路
、８……フリツプフロツプ。
FIG. 1 is a circuit diagram showing the configuration of the embodiment of the present invention, FIG. 2 is a flowchart showing the control procedure executed by the CPU 7 shown in FIG. 1, and FIG. 3 shows the timing of generation of various signals in the embodiment of the present invention. Timing chart FIG. 4 is a circuit diagram showing the configuration of a conventional example. 1... Watchdog timer (WDT) circuit, 2, 7... CPU, 3, 9... Warning lamp, 4
...External device, 5...Timer, 6...OR circuit, 8...Flip-flop.
Claims (1)
イマ回路と、 前記タイマ回路から中央演算処理装置を通して
転送された前記カウントアツプ信号に応じて警告
ランプを点滅させる制御回路と を具えたことを特徴とする中央演算処理装置の
異常検出装置。 ２ 請求項１に記載の中央演算処理装置の異常検
出装置において、 前記中央演算処理装置との間で授受を行う外部
機器から一定周期で発生された信号および前記タ
イマ回路のカウントアツプ信号の少なくともいず
れか一方の信号を前記制御回路に転送すべき信号
として前記中央演算処理装置に入力する論理回路
を具えたことを特徴とする中央演算処理装置の異
常検出装置。[Scope of Claim for Utility Model Registration] 1. A timer circuit that generates a count-up signal at a constant cycle, and a control circuit that blinks a warning lamp in response to the count-up signal transferred from the timer circuit through a central processing unit. An abnormality detection device for a central processing unit, characterized by comprising: 2. The abnormality detection device for a central processing unit according to claim 1, wherein at least one of a signal generated at a constant cycle from an external device that exchanges data with the central processing unit and a count-up signal of the timer circuit is provided. An abnormality detection device for a central processing unit, comprising a logic circuit that inputs one of the signals to the central processing unit as a signal to be transferred to the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10830188U JPH0232155U (en) | 1988-08-19 | 1988-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10830188U JPH0232155U (en) | 1988-08-19 | 1988-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0232155U true JPH0232155U (en) | 1990-02-28 |
Family
ID=31343501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10830188U Pending JPH0232155U (en) | 1988-08-19 | 1988-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0232155U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755408A (en) * | 1980-09-22 | 1982-04-02 | Hitachi Ltd | Operating monitor method of computer for process by crt |
| JPS57176241A (en) * | 1981-04-18 | 1982-10-29 | Toyoda Automatic Loom Works | Operation display of micro-computer in loom |
-
1988
- 1988-08-19 JP JP10830188U patent/JPH0232155U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755408A (en) * | 1980-09-22 | 1982-04-02 | Hitachi Ltd | Operating monitor method of computer for process by crt |
| JPS57176241A (en) * | 1981-04-18 | 1982-10-29 | Toyoda Automatic Loom Works | Operation display of micro-computer in loom |
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