Hardware is not working as per software

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Dear All,
I have write code in MikroC Pro for PIC16F628A micro controller. I have programmed this code in Proteous simulation. It is working fine , Unfortunately when I burn this software in Micro controller, Micro controller is not showing anything.


When I press button , It turns ON LED. If I press button for longer time. It turns ON another LED. But in hardware it is not functioning while pressing button. Please guide. What can be the problem.


I have the same frequency oscillator in simulation and externally. That is 20MHz. Thanks for your quick response.
 

Why, I need to use 4 MHz crystall. because I am doing timer based decesion. so that is why 20MHz is worth while.
 

Dear I will try to use 4 MHz crystal. but please explain me why we need to put 4MHz crystall? what is the difference betweem both.?
 

Hi:
I have used 4MHz crystall. System is working. One thing that is annoying me is when I put analgoue meter -ve terminal on ground and put +ve terminal on any pin of micr controller. LED turns off automatically. Please guide
 

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