"Bob Blick"  wrote:
> Here's a program that you can test. I was unable to duplicate the same
> conditions you have - the closest part I had to a 16F886 that was in DIP
> package was a 16F884 so I used that. 
> 
> Also I used version 8.05pl2 of the HiTech compiler but the reason for
> that would need to be in a different thread.
> 
> The command line I used to compile was:
> picc -16F884 -Zg9 -O blink.c
> 
> Tie MCLR high, hook an LED through a 1k resistor to RC4, apply power and
> it should blink about once per second.
> 
> Give it a try and see if it works for you.
> 
> Cheerful regards,
> 
> Bob
> 
> #include <pic.h>
> __CONFIG(UNPROTECT & WDTDIS & LVPDIS & BOREN & PWRTEN & INTIO &
> MCLRDIS);
> __CONFIG(BORV21);
> 
> void main(){
>  unsigned int i = 0;
>  PORTA = 0;
>  PORTB = 0;
>  PORTC = 0;
>  PORTD = 0;
>  PORTE = 0;
>  TRISA = 0;  // no inputs
>  TRISB = 0;
>  TRISC = 0;
>  TRISD = 0;
>  TRISE = 0;
>  ANSEL  = 0; // no analog
>  ANSELH = 0;
> 
>  while(1){
>    if(!--i){
>      if (RC4){
>        RC4 = 0;
>      } else {
>        RC4 = 1;
>      }
>    }
>  }
> }
> 
> 

Why "about once per second"? I don't see the clock specified anywhere.


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