topic Power down comparator voltage ladder in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/Power-down-comparator-voltage-ladder/m-p/777631#M31276 <HTML><HEAD></HEAD><BODY><P>On page 522 of the LPC15 manual, it says:</P><P>"Voltage Ladder can be separately powered down for applications only requiring the comparator function"</P><P>I can't find any further details on how to do this. Could you please clarify.</P></BODY></HTML> Wed, 13 Jun 2018 07:25:34 GMT ianbenton 2018-06-13T07:25:34Z Power down comparator voltage ladder https://community.nxp.com/t5/LPC-Microcontrollers/Power-down-comparator-voltage-ladder/m-p/777631#M31276 <HTML><HEAD></HEAD><BODY><P>On page 522 of the LPC15 manual, it says:</P><P>"Voltage Ladder can be separately powered down for applications only requiring the comparator function"</P><P>I can't find any further details on how to do this. Could you please clarify.</P></BODY></HTML> Wed, 13 Jun 2018 07:25:34 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Power-down-comparator-voltage-ladder/m-p/777631#M31276 ianbenton 2018-06-13T07:25:34Z Re: Power down comparator voltage ladder https://community.nxp.com/t5/LPC-Microcontrollers/Power-down-comparator-voltage-ladder/m-p/777632#M31277 <HTML><HEAD></HEAD><BODY><P>Hi Ian,</P><P>&nbsp;&nbsp; It seems you are not using the newest LPC15xx user manual, please download it from this link:</P><P><A class="link-titled" href="https://www.nxp.com/docs/en/user-guide/UM10736.pdf" title="https://www.nxp.com/docs/en/user-guide/UM10736.pdf">https://www.nxp.com/docs/en/user-guide/UM10736.pdf</A>&nbsp;</P><P>&nbsp;&nbsp; About "voltage Ladder can be separately powered down for applications only requiring the comparator function", I think it is register CMPn[VLADEN], you can find each comparator has this bit to control the voltage Ladder, I think when it is disabled, the according voltage Ladder is powered down.</P><P></P><P>Wish it helps you!</P><P></P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 14 Jun 2018 08:59:39 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Power-down-comparator-voltage-ladder/m-p/777632#M31277 kerryzhou 2018-06-14T08:59:39Z