LPC MicrocontrollersのトピックLPC54608 XTAL https://community.nxp.com/t5/LPC-Microcontrollers/LPC54608-XTAL/m-p/1000259#M39286 <HTML><HEAD></HEAD><BODY><P><SPAN lang="en">I do not use XTAL. I use the internal clock</SPAN>.</P><P><SPAN lang="en">If I don't use external XTAL, Should I connect the K4 pin to GND and open the J4 pin?</SPAN></P></BODY></HTML> Sat, 21 Mar 2020 06:04:21 GMT 実奥山 2020-03-21T06:04:21Z LPC54608 XTAL https://community.nxp.com/t5/LPC-Microcontrollers/LPC54608-XTAL/m-p/1000259#M39286 <HTML><HEAD></HEAD><BODY><P><SPAN lang="en">I do not use XTAL. I use the internal clock</SPAN>.</P><P><SPAN lang="en">If I don't use external XTAL, Should I connect the K4 pin to GND and open the J4 pin?</SPAN></P></BODY></HTML> Sat, 21 Mar 2020 06:04:21 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54608-XTAL/m-p/1000259#M39286 実奥山 2020-03-21T06:04:21Z Re: LPC54608 XTAL https://community.nxp.com/t5/LPC-Microcontrollers/LPC54608-XTAL/m-p/1000260#M39287 <HTML><HEAD></HEAD><BODY><P>According to the datasheet, yes (don't mind the typo at the "XTALIN" pin where they write "the <STRONG>RTC</STRONG> oscillator is disabled"&nbsp;:smileyhappy:</P><P>(I also do this in all my designs, works perfectly)</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/101966iD7C9297B9078FA9A/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>One of my designs:</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/102196i8AD5D30188DCE2DE/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P></BODY></HTML> Sat, 21 Mar 2020 12:39:27 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54608-XTAL/m-p/1000260#M39287 carstengroen 2020-03-21T12:39:27Z