topic Re: PC don't see USB in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462930#M27784 <HTML><HEAD></HEAD><BODY><P>Hi Dmitriy,</P><P>&nbsp;&nbsp;&nbsp; What the USB example you are using?</P><P>&nbsp;&nbsp;&nbsp; Did you also try the FRDM-K22F board and run the USB code in your PC?&nbsp; Whether this board can work ok on your side?</P><P></P><P>Have a great day,<BR />Jingjing</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 01 Jun 2016 05:41:28 GMT kerryzhou 2016-06-01T05:41:28Z PC don't see USB https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462929#M27783 <HTML><HEAD></HEAD><BODY><P>Hi! Please help me with my problem. I have self made board with MK22FN512VLH12. I have problem with USB. If i run USB examples, then my PC don't see my board. All code traced in debug mode without errors. My board based on FRDM-K22F. What could be the problem?</P></BODY></HTML> Mon, 30 May 2016 23:52:54 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462929#M27783 xamuk 2016-05-30T23:52:54Z Re: PC don't see USB https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462930#M27784 <HTML><HEAD></HEAD><BODY><P>Hi Dmitriy,</P><P>&nbsp;&nbsp;&nbsp; What the USB example you are using?</P><P>&nbsp;&nbsp;&nbsp; Did you also try the FRDM-K22F board and run the USB code in your PC?&nbsp; Whether this board can work ok on your side?</P><P></P><P>Have a great day,<BR />Jingjing</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 01 Jun 2016 05:41:28 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462930#M27784 kerryzhou 2016-06-01T05:41:28Z Re: PC don't see USB https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462931#M27785 <HTML><HEAD></HEAD><BODY><P>I solve this problem. I don't connect VREG pin to VBUS&nbsp; :smileyhappy: Thanks!</P></BODY></HTML> Wed, 01 Jun 2016 07:49:31 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462931#M27785 xamuk 2016-06-01T07:49:31Z Re: PC don't see USB https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462932#M27786 <HTML><HEAD></HEAD><BODY><P>Hi Dmitriy,</P><P>&nbsp;&nbsp;&nbsp; That's very good to hear your problem is solved, and thanks for your hardware problem solutions sharing.</P><P></P><P><BR />Have a great day,<BR />Jingjing</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 01 Jun 2016 08:29:31 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/PC-don-t-see-USB/m-p/462932#M27786 kerryzhou 2016-06-01T08:29:31Z