Help me,
i want create a counter in 1 sec with the TMR0 and interrupt, the pic is 16f877a osc 20Mhz.
I have utilized the formule Time = Mhz * periode * (Tmr0-N) * prescaler
Time = (20 * 50 *(256)*64)/1M= 16384*61 =999.424
but it not functional.
Help Me
SOS.
Aiutoooooo