Description: The watchdog concluded F2812
This is my summary of the F2812 s watchdog function to use!
Watchdog, also known as watchdog timer, a timer circuit, generally have an input, called the dogs, an output to the MCU
The RST terminal, MCU normal work time, every time one end of the output signal to feed the dog an end to the WDT is cleared, if more than
Do not feed the dog a specified time, (usually when the program running out), WDT time than to give back to a reset signal to the MCU, is the MCU
Reset. To prevent the MCU crash. Watchdog role is to prevent the occurrence of infinite loop program, or program running out.
How it works: the system will start running after a watchdog counter, watchdog began to automatic counting, if to
Certain period of time not to clear the watchdog, then the watchdog counter will overflow causing the watchdog interrupt, causing the system re-
Bit. Therefore, use the chips to the attention of the watchdog clear watchdog.
Is to use a hardware wat
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