Initial PWM output value with eFlexPWM

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Initial PWM output value with eFlexPWM

100 次查看
zorrotz
Contributor III

Hi,

Working with eFlexPWM of MCXA132, I want to modify the initial value for PWM23.
For that I do next steps:


1. SM1CTRL2[PWM23_INIT] = 1

2. SM1CTRL2[FRCEN] = 1
    SM1CTRL2[FORCE] = 1    (note that SM1CTRL2[FORCE_SEL] is 000)

3. MCTRL[RUN] = 010

But first PWM cycle always starts with output at level 0.

Where can be the problem?

Thanks in advance

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37 次查看
Alice_Yang
NXP TechSupport
NXP TechSupport

Hello @zorrotz 

 

To help us analyze the issue, could you please share your complete project with us?

Thank you.

 

BR

Alice

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