> Hi, I have one question I hope you guys can help me with. I am using my
> PIC18 to drive a motor via L6203 DMOS full bridge driver. My intended
> circuit is such that a standard DC power supply supply the voltage to
> the L6203 via the Vs pin. However, I want my PIC18 to use battery power
> instead of sharing the line with the motor.
>
> Will there be any voltage level probem when I send PWM signal to the
> L6203? This is because both circuit are not using the same ground
> level(one is battery powered while the other is take from the mains).
> Can I simply connect the PIC18 ground pin to the ground pin of the
> L6203?

Asking the same question three times just irritates those whom you are
asking a favor of.


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