第1図はこの考案に係るマイクロプロセツサの
暴走防止回路の一実施例を示すブロツク図、第2
図は第1図の動作を説明するための波形図、第3
図は従来のマイクロプロセツサの暴走防止回路の
一例を示すブロツク図である。  10はマイクロプロセツサ、11は出力回路、
12は暴走検知回路、16はリセツト発生回路。  FIG. 1 is a block diagram showing an embodiment of the microprocessor runaway prevention circuit according to this invention, and FIG.
 The figure is a waveform diagram to explain the operation of figure 1,
 The figure is a block diagram showing an example of a conventional microprocessor runaway prevention circuit. 10 is a microprocessor, 11 is an output circuit,
 12 is a runaway detection circuit, and 16 is a reset generation circuit.
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP14589UJPH0292535U (en) | 1989-01-06 | 1989-01-06 | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP14589UJPH0292535U (en) | 1989-01-06 | 1989-01-06 | 
| Publication Number | Publication Date | 
|---|---|
| JPH0292535Utrue JPH0292535U (en) | 1990-07-23 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP14589UPendingJPH0292535U (en) | 1989-01-06 | 1989-01-06 | 
| Country | Link | 
|---|---|
| JP (1) | JPH0292535U (en) | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JP2008152544A (en)* | 2006-12-18 | 2008-07-03 | Hitachi Ltd | Control microcomputer verification device and in-vehicle control device | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS53148253A (en)* | 1977-05-30 | 1978-12-23 | Hitachi Ltd | Sequence check circuit | 
| JPS61165159A (en)* | 1984-12-19 | 1986-07-25 | Fujitsu Ltd | Transition state check circuit | 
| JPS63123138A (en)* | 1986-11-12 | 1988-05-26 | Yamatake Honeywell Co Ltd | Detection circuit for out-of-control of microcomputer | 
| JPS63136146A (en)* | 1986-11-26 | 1988-06-08 | Mitsubishi Electric Corp | Watchdog timer circuit | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS53148253A (en)* | 1977-05-30 | 1978-12-23 | Hitachi Ltd | Sequence check circuit | 
| JPS61165159A (en)* | 1984-12-19 | 1986-07-25 | Fujitsu Ltd | Transition state check circuit | 
| JPS63123138A (en)* | 1986-11-12 | 1988-05-26 | Yamatake Honeywell Co Ltd | Detection circuit for out-of-control of microcomputer | 
| JPS63136146A (en)* | 1986-11-26 | 1988-06-08 | Mitsubishi Electric Corp | Watchdog timer circuit | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JP2008152544A (en)* | 2006-12-18 | 2008-07-03 | Hitachi Ltd | Control microcomputer verification device and in-vehicle control device | 
| US7730354B2 (en) | 2006-12-18 | 2010-06-01 | Hitachi, Ltd. | Control microcomputer verification device and vehicle-mounted control device |