Watch dog timer (WDT, watch dog timer) is a component of single chip microcomputer. It is actually a counter. Generally, it gives a number to the watch dog. After the program starts to run, the watch dog starts to count. If the program runs normally, after a period of time, the CPU shall issue an instruction to set the watchdog to zero and start counting again. If the watchdog increases to the set value, the program will not work normally, and the whole system will be forced to reset.

Filename	Size	Update
12.看门狗	0	2014-05-12
12.看门狗\Debug	0	2014-05-12
12.看门狗\Debug\Exe	0	2014-05-12
12.看门狗\Debug\Exe\Exp.hex	7341	2014-05-12
12.看门狗\Debug\List	0	2014-04-13
12.看门狗\Debug\Obj	0	2014-05-12
12.看门狗\Debug\Obj\Exp.pbd	242	2014-05-12
12.看门狗\Debug\Obj\main.r51	5513	2014-05-12
12.看门狗\Exp.dep	2022	2014-05-12
12.看门狗\Exp.ewd	34274	2014-05-12
12.看门狗\Exp.ewp	56195	2014-05-12
12.看门狗\Exp.eww	157	2014-04-13
12.看门狗\main.c	1561	2014-05-12
12.看门狗\settings	0	2014-05-12
12.看门狗\settings\Exp.cspy.bat	1349	2014-05-12
12.看门狗\settings\Exp.dbgdt	3643	2014-05-12
12.看门狗\settings\Exp.dni	881	2014-05-12
12.看门狗\settings\Exp.wsdt	2910	2014-05-12

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