
STM8L最大看门狗定时时长:
Prescaler divider:256
R:255
T=256*(255+1)/38 000=1.724631578947368s
STM8L最小看门狗定时时长:
Prescaler divider:4
R:0
T=4*(0+1)/38 000=0.1052631578947368ms

STM8L最大看门狗定时时长:
Prescaler divider:256
R:255
T=256*(255+1)/38 000=1.724631578947368s
STM8L最小看门狗定时时长:
Prescaler divider:4
R:0
T=4*(0+1)/38 000=0.1052631578947368ms
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