Hi thanks for your reply
You asked what I intend to do
well I have now 3 pwm signals with a variable duty cycle and frequency and my next step it to overly a sine array to my pwm so that I can get a have a sine pwm.. then I will need an Interrupt to control the sine wave frequency but I still dont know exactly how to make it . I would be thankfull if anyone can help me with me further steps
thanks in advance