S32K1 Spread Spectrum

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S32K1 Spread Spectrum

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mcmackin
Contributor II

Im using a FS32K142WAT0WLFT and I'd like to understand how to enable spread spectrum. I specifically need this to effect the FTM module for motor control but see it's most often done at the PLL level. I'm not able to find a way to enable this function within the design studio.

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danielmartynek
NXP TechSupport
NXP TechSupport

Hi @mcmackin,

The SPLL does not support modulation.

But the FTM supports FTM Output Modulation and Dithering

danielmartynek_0-1718365193469.png

Do you use RTD or SDK?

 

Regards,

Daniel

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danielmartynek
NXP TechSupport
NXP TechSupport

Hi @mcmackin,

There are API such as FTM_DRV_UpdatePwmPeriodDither().

Refer to S32K1xx Reference Manual for more datails about the feature.

 

Regards,

Daniel

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mcmackin
Contributor II

We are using SDK, and using FTM0 for motor drive.

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