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I need to control a PWM output of a microcontroler with a frequency input. It will need to have a learn button which will give the option to memorize a starting frequency(SF) value and end frequency(EF) value. In the range between the SF and EF the PWM will have to change its duty cycle from 0% to 95%. I will prefer the software to be written in Assembler.
The input signal will be a square wave. There must be a enable-disable input for overriding the the frequency input.
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