How exactly does the S32K3 ADC average

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How exactly does the S32K3 ADC average

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343 次查看
FelixR
Contributor III

Hello there smart people,

I was wondering about how exatly the S32K3xx ADC behave if I enable averaging. 

Let's say for example I have averaging for 4 conversions enabled:

Does it execute multiple S&H conversion cycles after one trigger happens (figure 1), does it wait for 4 triggers to occure and write the averaged result into the register (figure 2) or does it work like a moving average filter where every following result is taken into the average of the previous result (figure 3)?

k3_hw_average_functionality.png

I would love to hear back from you guys about this rater specific question.

 

Regards,
Felix

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289 次查看
_Leo_
NXP TechSupport
NXP TechSupport

Thank you for your interest in our products and for contributing to our community.

The average function works as you describe in figure 1.

I hope this information is helpful.

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290 次查看
_Leo_
NXP TechSupport
NXP TechSupport

Thank you for your interest in our products and for contributing to our community.

The average function works as you describe in figure 1.

I hope this information is helpful.

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254 次查看
FelixR
Contributor III
Thank you very much for this info. It will help us a lot!
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