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18lf4620 resets on it's own

 
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TEK66TIM



Joined: 03 Nov 2004
Posts: 13

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18lf4620 resets on it's own
PostPosted: Tue Sep 26, 2006 3:06 pm     Reply with quote

Hello all,

I have a 18lf4620 and it resets on it's own. I used the reset_cause() func and it tells me the WDT is responsible. I have NOWDT set in the fuses. Thanks in advance for any help, here is the code:
Code:
#include <18f4620.h>
#include <stdlib.h>
#fuses NOLVP, NOWDT, EC_IO
#use delay (clock=25000000)
#use rs232 (baud=115200, xmit=PIN_E1, rcv=PIN_E0)


void main (void)
{
   int8 data;
   int8 res_data;

   delay_ms (2000);
   
   res_data = restart_cause ();
   
   if (res_data > 0)
   {
      printf ("reset cause = %u", res_data);
      putc (0x0D);
      putc (0x0A);
   }


   do
   {
      if (kbhit ())
      {
         data = getc ();
         printf ("data = %x", data);
         putc (0x0D);
         putc (0x0A);
      }
   }
   while (1);
}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue Sep 26, 2006 3:18 pm     Reply with quote

1. What's your compiler version ?

2. What value is displayed for the restart cause ?
TEK66TIM



Joined: 03 Nov 2004
Posts: 13

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PostPosted: Tue Sep 26, 2006 3:25 pm     Reply with quote

Thanks for the quick reply, I think I found my problem, I use the Melabs Epic programmer and just updated the programmer software. The config programming was turned off, I set this to on and re-programmed the chip, it looks like it's working.
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