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hi ,

I have a big problem with 16F628A Ext_isr.

My input signal that should make an interrupt is 2.8 (or 3) Volts
and seems it doesn't work (5 volts needed)
and I can't use any Op-Amp in my ci ...

hi,

Worked ! but whats the dif ?

it was 50% DC ( and i'm not sure about freq )

plz tell me about freq ( i'm tired of calculating ! )

and the dif between our codes r just PUT as you see ...

Blinked with no problem ;

hi,

LED blinked with no error !!! (as i knew it ) ;

Crying or Very sad

Hi,

I did that way, nothing on oscilloscope.

thanks a million , worked on it for 3 days and no result

whats your suggestion ?

thanks again for spending time to help me .

hi thanks for reply

1. version CCS 4.084 PCWH
2. both Proteus and home-build board ( that i know its ok )
3. blinking LED works fine , but the problem is PWM signal

Hi , wrote this code but nothing comes out !!!! driving me mad plz help

#include <16F628A.h>
#FUSES NOWDT, INTRC, NOPUT, NOPROTECT, NOBROWNOUT, MCLR, NOLVP, NOCPD
#use delay(clock=4000 ...