Sorry, I forgot to mention, this is with the 20 MHZ clock mentioned earlier=
..

Allen

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
Of
> Allen Mulvey
> Sent: Friday, July 18, 2014 10:40 AM
> To: 'Microcontroller discussion list - Public.'
> Subject: RE: [Pic] Making a special timer!
>=20
> MikroElektronika has a free Timer Calculator that you can use to get the
> code to set up your timer. I don't understand why anyone would want to us=
e
a
> PWM when the timer is so easy and quite accurate. Check this out:
> http://www.libstock.com/projects/view/398/timer-calculator
>=20
> I use it all the time. For a PIC16 Timer1 you can get 100ms from this
code:
>=20
> //Timer1
> //Prescaler 1:8; TMR1 Preload =3D 3036; Actual Interrupt Time : 100 ms
>=20
> //Place/Copy this part in declaration section
> void InitTimer1(){
>   T1CON	 =3D 0x31;
>   TMR1IF_bit	 =3D 0;
>   TMR1H	 =3D 0x0B;
>   TMR1L	 =3D 0xDC;
>   TMR1IE_bit	 =3D 1;
>   INTCON	 =3D 0xC0;
> }
>=20
> void Interrupt(){
>   if (TMR1IF_bit){
>     TMR1IF_bit =3D 0;
>     TMR1H	 =3D 0x0B;
>     TMR1L	 =3D 0xDC;
>     //Enter your code here
>   }
> }
>=20
> Enable the interrupt. Turn on your pin. Count 10 interrupts. Turn off pin=
..
> Turn off and reset timer. Start over when necessary.
>=20
> You may need to make minor adjustments (TMR1L) for the time to actually
turn
> the pin on and off.
>=20
> Allen
>=20



--=20
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