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PIC Timer 0 calculator

With the PIC Timer 0 calculator you can see the resulting frequencies and periods when you enter three bits of information. These are :

  • Frequency (default is 4MHz).
  • Prescaler ratio.
  • Timer 0 offset. 


Into page : PIC Timer intro (details on installing TCL)
Jump to PIC Timer 1 calculator.
Jump to PIC Timer 2 calculator.

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To be honest I got fed up with looking at the data sheet to figure out the prescaler and timer offset values - this program lets you get the results easily (
There is a screenshot of the program further down the page if the runtime is not installed).

PIC Timer 0 hardware Block diagram [from 33023a.pdf]

PIC Timer 0 block diagram 33023a.pdf

PIC Timer 0 registers [from 16F88 datasheet DS30487B.pdf]
(Note these may be different in other devices)

PIC Timer 0 registers




Screen shot of PIC Timer 0 calculator in action

PIC Timer 0 calculator




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