Don Rahmlow wrote : > I need 2 independent PWMs from the 18Fxxx, enabling control of both > frequency and duty cycle. Purpose is to provide two independent audio > outputs where both volume and tone can be changed by the PIC. Hi. Doesn't answer you question maybe, but... You can control the tone ("pitch") of the signal using the PWM module, yes, but how do you control the volume (without using some external parts) ? Now, trying to answer you question... :-) If the frequencies are not to high, you could run a software-PWM routine. Jan-Erik. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.