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Microcontroller
Peripheral Timing
Calculator

Philips 8xC591 - Watchdog Interval

Enter your clock rate and the desired watchdog interval,
then click on the "Calculate" button

  

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Clock frequency (in MHz): (mhz)
Desired interval (in ms): (i)

 

Time for single timer increment (milliseconds)
  t=6 x 2048 x 1/mhz x 1000 
Calculated reload value
rc = 256 - i/t
Nearest possible reload value
r
Nearest possible interval (milliseconds)
wi = t x (256 - r)
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Author: Andy Ayre

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