topic Re: Can USB-KW24D512 USB work with the internal crystal (FEI mode)? in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494145#M30613 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-family: arial,helvetica,sans-serif; font-size: 12pt;">Hi,</SPAN></P><P><SPAN style="font-family: arial,helvetica,sans-serif; font-size: 12pt;">We really do not recommend to using the FLL to <SPAN class="&amp;quothighlight&quot;">clock</SPAN> the<STRONG> </STRONG><SPAN class="&amp;quothighlight&quot;">USB</SPAN> module, that will led a non-working <SPAN class="&amp;quothighlight&quot;">USB</SPAN> applications. The MCGFLLCLK does not meet the USB jitter specifications for certification.</SPAN></P><P></P><P><span class="lia-inline-image-display-wrapper"><img src="https://community.nxp.com/t5/image/serverpage/image-id/23503i04F274E4457360B2/image-size/large?v=v2&amp;px=999" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P></BODY></HTML> Tue, 22 Mar 2016 08:18:13 GMT miduo 2016-03-22T08:18:13Z Can USB-KW24D512 USB work with the internal crystal (FEI mode)? https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494144#M30612 <HTML><HEAD></HEAD><BODY><P>I am trying to enable USB on USB-KW24D512. Is the USB able to work with the internal clock (working at FEI mode)?</P></BODY></HTML> Tue, 22 Mar 2016 02:30:37 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494144#M30612 luwan 2016-03-22T02:30:37Z Re: Can USB-KW24D512 USB work with the internal crystal (FEI mode)? https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494145#M30613 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-family: arial,helvetica,sans-serif; font-size: 12pt;">Hi,</SPAN></P><P><SPAN style="font-family: arial,helvetica,sans-serif; font-size: 12pt;">We really do not recommend to using the FLL to <SPAN class="&amp;quothighlight&quot;">clock</SPAN> the<STRONG> </STRONG><SPAN class="&amp;quothighlight&quot;">USB</SPAN> module, that will led a non-working <SPAN class="&amp;quothighlight&quot;">USB</SPAN> applications. The MCGFLLCLK does not meet the USB jitter specifications for certification.</SPAN></P><P></P><P><span class="lia-inline-image-display-wrapper"><img src="https://community.nxp.com/t5/image/serverpage/image-id/23503i04F274E4457360B2/image-size/large?v=v2&amp;px=999" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P></BODY></HTML> Tue, 22 Mar 2016 08:18:13 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494145#M30613 miduo 2016-03-22T08:18:13Z Re: Can USB-KW24D512 USB work with the internal crystal (FEI mode)? https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494146#M30614 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I am now using PLL (PEE mode) and the USB CDC is able to shown as ACM0 (enumeration successfully).</P><P>But the board fails to tx/rx traffic, are there any guide lines to help for troubleshooting?</P></BODY></HTML> Tue, 22 Mar 2016 08:21:55 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494146#M30614 luwan 2016-03-22T08:21:55Z Re: Can USB-KW24D512 USB work with the internal crystal (FEI mode)? https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494147#M30615 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please let me know the what board you are using? The customer board or the evaluation board?</P></BODY></HTML> Wed, 23 Mar 2016 08:18:47 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Can-USB-KW24D512-USB-work-with-the-internal-crystal-FEI-mode/m-p/494147#M30615 miduo 2016-03-23T08:18:47Z