Kinetis MicrocontrollersのトピックRe: USB device Bus Turnaround Timeout https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-device-Bus-Turnaround-Timeout/m-p/241332#M5960 <HTML><HEAD></HEAD><BODY><P>If you have modified the example, please check the descriptors that you have modified.</P><P>If you haven't, please tell us what is the version of USB stack HID example and what device you are using.</P></BODY></HTML> Thu, 27 Jun 2013 09:12:58 GMT DerekLau 2013-06-27T09:12:58Z USB device Bus Turnaround Timeout https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-device-Bus-Turnaround-Timeout/m-p/241331#M5959 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>I adapted USB stack HID device example and made USB generic HID device. Unfortunately, I receive bus turnaround timeout error during enumeration after Device descriptor is sent. The consequence is that Windows doesn't recognize my device.</P><P></P><P>Can you please advise anything?</P><P></P><P>Martin</P></BODY></HTML> Wed, 26 Jun 2013 15:57:01 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-device-Bus-Turnaround-Timeout/m-p/241331#M5959 martindusek 2013-06-26T15:57:01Z Re: USB device Bus Turnaround Timeout https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-device-Bus-Turnaround-Timeout/m-p/241332#M5960 <HTML><HEAD></HEAD><BODY><P>If you have modified the example, please check the descriptors that you have modified.</P><P>If you haven't, please tell us what is the version of USB stack HID example and what device you are using.</P></BODY></HTML> Thu, 27 Jun 2013 09:12:58 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-device-Bus-Turnaround-Timeout/m-p/241332#M5960 DerekLau 2013-06-27T09:12:58Z Re: USB device Bus Turnaround Timeout https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-device-Bus-Turnaround-Timeout/m-p/241333#M5961 <HTML><HEAD></HEAD><BODY><P>The issue has been solved - we forget to add 2u2 capacitor to VOUT33 pin. Therefore the output of the regulator was unstable.</P></BODY></HTML> Thu, 27 Jun 2013 09:16:16 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-device-Bus-Turnaround-Timeout/m-p/241333#M5961 martindusek 2013-06-27T09:16:16Z