Fault relieving system for watchdog timer
专利汇可以提供Fault relieving system for watchdog timer专利检索，专利查询，专利分析的服务。并且PURPOSE: To secure a simple detection for the fault of a watchdog timer, which is caused by the trouble of the clock source when the clock source is used in common, by generating the fault announcement signal when the measured value of idle time exceeds the specified level.
CONSTITUTION: When the basic clock source 1 has some trouble to produce no clock signal, the clock interruption is hot performed any more. However, the operation is stopped also for the watchdog timer 3 which detects the discontinuation of the clock interruption. Thus the fault detection becomes impossible by the timer 3. In this case, the computer 5 is roving on the idle routine 52, and thus the count value of the idle time second counter increases to reach the prescribed level. Thus the alarm is produced to be delivered in the form of the signal corresponding to the time-up of the timer 3. As a result, the fault of the timer 3 due to the trouble of the clock source is detected in a simple way.
COPYRIGHT: (C)1981,JPO&Japio，下面是Fault relieving system for watchdog timer专利的具体信息内容。
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