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Setting system for watchdog timer

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专利汇可以提供Setting system for watchdog timer专利检索,专利查询,专利分析的服务。并且PURPOSE:To minimize the possibility of a watchdog timer is started during a runaway of a program, by writing data from a processor in the watchdog timer only when a selection signal for selecting the watchdog timer is received. CONSTITUTION:A timer controller 2, when receiving watchdog timer selection data, compares it with set data preset in a comparator 3 and when their coincidence is obtained, a selection signal 8 for selecting a watchdog timer 4 is sent to the timer 4. A processor 1 specifies an address of the timer 4 after that to write data, thereby restarting the timer. In this case, the timer inhibits write data from the processor 1 from being inputted to a counter 6 by the condition of an AND circuit 5 unless the selection signal is supplied from the controller 2, so the timer 4 is never started.,下面是Setting system for watchdog timer专利的具体信息内容。

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