topic Internal voltage reference for internal temp sensor in Wireless MCU https://community.nxp.com/t5/Wireless-MCU/Internal-voltage-reference-for-internal-temp-sensor/m-p/662094#M2734 <HTML><HEAD></HEAD><BODY><P>We want to rely on the internal voltage reference when reading the temperature sensor.</P><P>VREFH and VREFL are exposed through external pins – but these are intended for an external, high precision voltage reference.Are these connected continuously or do we have to explicitly connect them using an internal register setting?</P></BODY></HTML> Thu, 23 Feb 2017 15:46:56 GMT jc_pacheco 2017-02-23T15:46:56Z Internal voltage reference for internal temp sensor https://community.nxp.com/t5/Wireless-MCU/Internal-voltage-reference-for-internal-temp-sensor/m-p/662094#M2734 <HTML><HEAD></HEAD><BODY><P>We want to rely on the internal voltage reference when reading the temperature sensor.</P><P>VREFH and VREFL are exposed through external pins – but these are intended for an external, high precision voltage reference.Are these connected continuously or do we have to explicitly connect them using an internal register setting?</P></BODY></HTML> Thu, 23 Feb 2017 15:46:56 GMT https://community.nxp.com/t5/Wireless-MCU/Internal-voltage-reference-for-internal-temp-sensor/m-p/662094#M2734 jc_pacheco 2017-02-23T15:46:56Z Re: Internal voltage reference for internal temp sensor https://community.nxp.com/t5/Wireless-MCU/Internal-voltage-reference-for-internal-temp-sensor/m-p/662095#M2735 <HTML><HEAD></HEAD><BODY><P><SPAN>You need to connect VREFH and VREFL to external references&nbsp;</SPAN></P></BODY></HTML> Thu, 23 Feb 2017 15:49:00 GMT https://community.nxp.com/t5/Wireless-MCU/Internal-voltage-reference-for-internal-temp-sensor/m-p/662095#M2735 jc_pacheco 2017-02-23T15:49:00Z