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problem in PIC16F873A

 
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dineshbabu
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problem in PIC16F873A
PostPosted: Thu Oct 16, 2008 5:49 am     Reply with quote
I have used the following code for PIC16F873A. The output works properly only when the first Pin (vpp pin which need to be connected to 5V through resistor) is touched by hand.

What is the reason, can anybody explain ?
How can I rectify ? Any reset problem ?
Code:
#include <16F873.h>
#fuses HS,NOPROTECT,NOWDT,PUT
#DEVICE ADC=10
#use delay(clock=20000000)

void main()
{

output_high(PIN_B6);

while(1)
 {
   output_low(PIN_B7);
   delay_ms(500);
   output_high(PIN_B7);
   delay_ms(500);
 }
}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu Oct 16, 2008 11:50 am     Reply with quote
Discussed yesterday:
http://www.ccsinfo.com/forum/viewtopic.php?t=36391&highlight=wishes+nolvp
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