Quote Originally Posted by MARGARITA View Post
Now Is Working, I Found Is A Problem With My Power Supply If I Put A 1000 Mf. In Parallel With Power Supply Is Working, Maybe Because High Speed More Sensible To Power Supply Noise, Any Way Thanks Guys Looks That The People Here Are Very Gentil.
hi MARGARITA,

seems like it works with 20 Mhz, i would like to ask a question. I'm facing the same problem as you too. everything works find with 4Mhz OSC but no for 20 Mhz OSC. what u mean by parallel with power supply? i should i connect the circuit?

thanks.