LPC MicrocontrollersのトピックRe: RTC Crystal for LPC43xx https://community.nxp.com/t5/LPC-Microcontrollers/RTC-Crystal-for-LPC43xx/m-p/827886#M33076 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I suggest you to check the following report, this contains characterization results of crystals with LPC1700/LPC1800/LPC4300</P><P><A class="link-titled" href="https://www.nxp.com/docs/en/supporting-information/R_10076.pdf" title="https://www.nxp.com/docs/en/supporting-information/R_10076.pdf">https://www.nxp.com/docs/en/supporting-information/R_10076.pdf</A>&nbsp;</P><P></P><P><BR />Have a great day,<BR />Sol</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 07 Aug 2018 13:24:20 GMT soledad 2018-08-07T13:24:20Z RTC Crystal for LPC43xx https://community.nxp.com/t5/LPC-Microcontrollers/RTC-Crystal-for-LPC43xx/m-p/827885#M33075 <HTML><HEAD></HEAD><BODY><P>Hello All,<BR /><BR /></P><P>In the data sheet for the LPC43xx, there is not much information on the recommended specification for the RTC crystal and external components to be used.<BR /><BR />Could someone please specify the required information for this circuit? Crystal frequency, crystal equivalent series resistance, crystal drive level, external capacitor values.</P><P></P><P>Thank you!</P><P>/Fredric</P></BODY></HTML> Tue, 07 Aug 2018 12:48:04 GMT https://community.nxp.com/t5/LPC-Microcontrollers/RTC-Crystal-for-LPC43xx/m-p/827885#M33075 px_seven 2018-08-07T12:48:04Z Re: RTC Crystal for LPC43xx https://community.nxp.com/t5/LPC-Microcontrollers/RTC-Crystal-for-LPC43xx/m-p/827886#M33076 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I suggest you to check the following report, this contains characterization results of crystals with LPC1700/LPC1800/LPC4300</P><P><A class="link-titled" href="https://www.nxp.com/docs/en/supporting-information/R_10076.pdf" title="https://www.nxp.com/docs/en/supporting-information/R_10076.pdf">https://www.nxp.com/docs/en/supporting-information/R_10076.pdf</A>&nbsp;</P><P></P><P><BR />Have a great day,<BR />Sol</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 07 Aug 2018 13:24:20 GMT https://community.nxp.com/t5/LPC-Microcontrollers/RTC-Crystal-for-LPC43xx/m-p/827886#M33076 soledad 2018-08-07T13:24:20Z