S32K322 VREFH

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S32K322 VREFH

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klv222
Contributor II

Can I connect V25 (2.5V) to VREFH for a precision ADC reference voltage?

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_Leo_
NXP TechSupport
NXP TechSupport

Hi,

Thank you so much for your interest in our products and for using our community.

Regarding your question, the answer is no.

V25 is the internally generated Flash memory supply. This reference voltage must not be used or connected to other interfaces in the application.

Please refer to Hardware Design Guidelines for S32K3xx Microcontrollers:

https://www.nxp.com/webapp/Download?colCode=S32K3_HW-DesignPackage

Have a nice day!

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