topic Re: Unused xtal pins in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/Unused-xtal-pins/m-p/665383#M26627 <HTML><HEAD></HEAD><BODY><P>Hi Rich,</P><P></P><P>When the system oscillator is not used, connect XTALIN and XTALOUT as follows: XTALIN can be left floating or can be grounded (grounding is preferred to reduce susceptibility to noise). XTALOUT should be left floating.</P><P></P><P>I hope this helps,</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, 10 Jan 2017 00:43:23 GMT soledad 2017-01-10T00:43:23Z Unused xtal pins https://community.nxp.com/t5/LPC-Microcontrollers/Unused-xtal-pins/m-p/665382#M26626 <HTML><HEAD></HEAD><BODY><P>Does NXP offer any guidelines on what to do with unused xtal pins?&nbsp; (LPC1114)</P><P></P><P>Thanks</P><P></P><P>Rich</P></BODY></HTML> Fri, 06 Jan 2017 21:42:54 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Unused-xtal-pins/m-p/665382#M26626 richardsoennich 2017-01-06T21:42:54Z Re: Unused xtal pins https://community.nxp.com/t5/LPC-Microcontrollers/Unused-xtal-pins/m-p/665383#M26627 <HTML><HEAD></HEAD><BODY><P>Hi Rich,</P><P></P><P>When the system oscillator is not used, connect XTALIN and XTALOUT as follows: XTALIN can be left floating or can be grounded (grounding is preferred to reduce susceptibility to noise). XTALOUT should be left floating.</P><P></P><P>I hope this helps,</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, 10 Jan 2017 00:43:23 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Unused-xtal-pins/m-p/665383#M26627 soledad 2017-01-10T00:43:23Z