done watchdog experiment it is not the 51 microcontroller simulation module or 51 MCU simulator. Simulation module or because Simulator occupies a serial resources. While loop statement in the application process DOG delay, microcontroller not reset, buzzer ring for out.

实验十二 AT89S系列看门狗(C51)
.............................\AT89S系列看门狗
.............................\...............\STARTUP.A51
.............................\...............\STARTUP.lst
.............................\...............\STARTUP.obj
.............................\...............\WatchDog
.............................\...............\WatchDog.c
.............................\...............\WatchDog.hex
.............................\...............\WatchDog.LST
.............................\...............\WatchDog.M51
.............................\...............\WatchDog.OBJ
.............................\...............\WatchDog.Opt
.............................\...............\WatchDog.plg
.............................\...............\WatchDog.Uv2
.............................\...............\WatchDog.__i
.............................\...............\WatchDog_Opt.Bak
.............................\...............\WatchDog_Uv2.Bak
.............................\实验说明.txt

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