https://community.nxp.com/t5/S32K/S32K322-VREFH/m-p/2045787#M45980 <P>Can I connect V25 (2.5V) to VREFH for a precision ADC reference voltage?</P> Mon, 17 Feb 2025 23:38:48 GMT klv222 2025-02-17T23:38:48Z https://community.nxp.com/t5/S32K/S32K322-VREFH/m-p/2045787#M45980 <P>Can I connect V25 (2.5V) to VREFH for a precision ADC reference voltage?</P> Mon, 17 Feb 2025 23:38:48 GMT https://community.nxp.com/t5/S32K/S32K322-VREFH/m-p/2045787#M45980 klv222 2025-02-17T23:38:48Z https://community.nxp.com/t5/S32K/S32K322-VREFH/m-p/2046567#M46008 <P>Hi,</P> <P>Thank you so much for your interest in our products and for using our community.</P> <P>Regarding your question, the answer is no.</P> <P>V25 is the internally generated Flash memory supply. This reference voltage must not be used or connected to other interfaces in the application.</P> <P>Please refer to <EM>Hardware Design Guidelines for S32K3xx Microcontrollers</EM>:</P> <P><A href="https://www.nxp.com/webapp/Download?colCode=S32K3_HW-DesignPackage" target="_blank" rel="noopener">https://www.nxp.com/webapp/Download?colCode=S32K3_HW-DesignPackage</A></P> <P>Have a nice day!</P> Tue, 18 Feb 2025 18:17:09 GMT https://community.nxp.com/t5/S32K/S32K322-VREFH/m-p/2046567#M46008 _Leo_ 2025-02-18T18:17:09Z