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Pic18F25K22 int osc 64 MHz

 
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horizontechno



Joined: 07 Oct 2011
Posts: 8

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Pic18F25K22 int osc 64 MHz
PostPosted: Sat Dec 29, 2012 9:48 pm     Reply with quote
Hi

I need to get same starting header with fuse and setup oscillator to get
PIC18F25K22 running at 64 MHz with internal oscillator ?

I have try this at 16 MHz but nothing on pin a0 ?

Thanks

Alain
Code:

#include <18f25k22.h>

#FUSES NOWDT                    //No Watch Dog Timer
#FUSES INTRC_IO                   
#FUSES NOPROTECT
#FUSES NOEBTRB
#FUSES NOEBTR
               
#FUSES NOWRTC
SC   
#FUSES NODEBUG

#device icd=true
#use delay(clock=16Mhz)


void Main(void){
setup_oscillator(OSC_16MHZ);
test:

delay_ms(1);
output_high(pin_a0);
delay_ms(1);
output_low(pin_a0);
Mike Walne



Joined: 19 Feb 2004
Posts: 1785
Location: Boston Spa UK

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PostPosted: Sun Dec 30, 2012 3:02 am     Reply with quote
As it stands pin_a0 only goes high for 1ms. You could easily miss it
Code:
delay_ms(1);
output_high(pin_a0);
delay_ms(1);
output_low(pin_a0);

Try this instead
Code:
while (1)
  {
     delay_ms(500);
     output_high(pin_a0);
     delay_ms(500);
     output_low(pin_a0);
  }

Connect an LED (with current limit resistor) to pin_a0, you'll see LED flash at 1Hz (IF everything is working correctly).

Mike
horizontechno



Joined: 07 Oct 2011
Posts: 8

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PostPosted: Sun Dec 30, 2012 8:24 pm     Reply with quote
Thank you !!

Basic mistake ...

Alain
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