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Four PWM outputs using KSDK fsl_ftm

Question asked by shaul dorf on Aug 22, 2016
Latest reply on Aug 23, 2016 by shaul dorf

I need an application/demo how to use “fsl_ftm” component to generate four(4) PWM signals with the same
frequency and different Pulse-Widths (100 Hz & PW 50%, 40%, 30% and 20%).

Based on this configuration I want to use some of the methods to change Frequency and Pulse-Width
during program run time.

I’m using FRDM-K64 + KDS 3.2 , KSDK 1.3 and Processor Expert.

When I use “init_ftm” component or direct FTM register configuration (based onApplication Note AN5142)
it works successfully, but when I try to use “fsl_ftm” something is wrong and I get only single output on CH0.

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