Hi,

I am  measuring the time period of an accelerating spindle which can reach
anwhere from 600rpm to 25000rpm in a matter of seconds although it could be much
slower!

TMR1 is from  4meg resonator from the 628
Table will have about 1000 lines (not app 2000 as my original post!)
The idea being TMR1 will give a more accurate value without rolling over.

The table will determine a delay period for another system

Using TMRO does not give me accurate enough steps at low speed.

Thanks again

Kev



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