Why does the PIC slow down when I connect some current loads?

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Tricka90

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I'm making a PIC controlled LED lamp. I'm noticing that every LED I add to the circuit the PIC program slows down more. Why is it happening and how can I work around this problem?
I'm using a PIC 16F876 with 12MHz chrystal oscillator.
If you need more information I'll be happy to give them.
 

Hi it may be your perception and i don think there is any thing to deal with a controller... If it happens the most probable reason would be disturbance of crystal or oscillator in any means.........
 

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