topic Re: 1TR Timeout error in khci.c file in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/1TR-Timeout-error-in-khci-c-file/m-p/684147#M42119 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #000000;">Hi vikash kuamr</SPAN></P><P></P><P><SPAN style="color: #000000;">I highly recommend you to use our latest USB stack, it is included with the SDK 2.x package.</SPAN></P><P></P><P><SPAN style="color: #000000;">Please check the following post:</SPAN></P><P><A href="https://community.nxp.com/thread/329494">Kinetis Design Studio USB "3TR Timeout!" in khci.c</A>&nbsp;</P><P></P><P><SPAN style="color: #000000;">It recommends to <SPAN style="font-family: arial,helvetica,'helvetica neue',verdana,sans-serif;">disable MPU on the main startup.</SPAN></SPAN></P><P></P><P><SPAN style="color: #000000; font-family: arial,helvetica,'helvetica neue',verdana,sans-serif;">Hope this could help you.</SPAN></P><P><SPAN style="color: #000000;">Best Regards</SPAN></P><P><SPAN style="color: #000000;">Jorge Alcala</SPAN></P></BODY></HTML> Tue, 18 Jul 2017 17:55:37 GMT jorge_a_vazquez 2017-07-18T17:55:37Z 1TR Timeout error in khci.c file https://community.nxp.com/t5/Kinetis-Microcontrollers/1TR-Timeout-error-in-khci-c-file/m-p/684146#M42118 <HTML><HEAD></HEAD><BODY><P>Hello ,</P><P></P><P>I'm working on KDS1.3 USB Host stack with HUB.Stack is working fine with 1 usb(without hub) but, when i connect hub,then i'm getting&nbsp; 1TR Timeout error in khci.c file.</P><P>Any idea on what could be happening?</P><P></P><P>Thanks,</P></BODY></HTML> Wed, 05 Jul 2017 05:04:33 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/1TR-Timeout-error-in-khci-c-file/m-p/684146#M42118 vikashkumar 2017-07-05T05:04:33Z Re: 1TR Timeout error in khci.c file https://community.nxp.com/t5/Kinetis-Microcontrollers/1TR-Timeout-error-in-khci-c-file/m-p/684147#M42119 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #000000;">Hi vikash kuamr</SPAN></P><P></P><P><SPAN style="color: #000000;">I highly recommend you to use our latest USB stack, it is included with the SDK 2.x package.</SPAN></P><P></P><P><SPAN style="color: #000000;">Please check the following post:</SPAN></P><P><A href="https://community.nxp.com/thread/329494">Kinetis Design Studio USB "3TR Timeout!" in khci.c</A>&nbsp;</P><P></P><P><SPAN style="color: #000000;">It recommends to <SPAN style="font-family: arial,helvetica,'helvetica neue',verdana,sans-serif;">disable MPU on the main startup.</SPAN></SPAN></P><P></P><P><SPAN style="color: #000000; font-family: arial,helvetica,'helvetica neue',verdana,sans-serif;">Hope this could help you.</SPAN></P><P><SPAN style="color: #000000;">Best Regards</SPAN></P><P><SPAN style="color: #000000;">Jorge Alcala</SPAN></P></BODY></HTML> Tue, 18 Jul 2017 17:55:37 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/1TR-Timeout-error-in-khci-c-file/m-p/684147#M42119 jorge_a_vazquez 2017-07-18T17:55:37Z