Difference between FlexPWM FORCE_OUT and EXT_SYNC

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Difference between FlexPWM FORCE_OUT and EXT_SYNC

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h_bouchard
Contributor III

Hello,

We need to synchronize 20 flexPWM outputs on the same board using a i.MX RT1064. For this I saw in the reference manual that there is 2 signals I could use: FORCE_OUT or EXT_SYNC.

What is the difference between these two signals and which one should I use?

Thanks
Hugo

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Alexis_A
NXP TechSupport
NXP TechSupport

Hello @h_bouchard,

The FORCE_OUT signal can select between eight signal sources: 

Alexis_A_0-1615331160806.png

One of these is the EXT_SYNC signal, this can be linked to one of the external pines to use as a trigger for different events.

More information can be found in the 55.4.2.6 section in the RM.

Best Regards,

Alexis Andalon

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