I read on the TI application report SLAA116 that we can use timer_b to create PWM output and then with an Analog Filter we can get a sinewave.(Figure 2. of the application report)
I am thinking it can only generate the upper half of a sinewave as the PWM output is either zero or let's say 1 volt(IT'S AWLAYS HIGHER THAN 0).
Can we use only one I/o pin and an analog filter to create a sine wave or do we have to use two pins and combine the two halves?
Thanks in advance!
