https://community.nxp.com/t5/The-NXP-Cup-Technical-Reports/MPC8309-Tower-Board/m-p/491132#M21 <HTML><HEAD></HEAD><BODY><P>Hi everyone, i am using MPC8309 tower board and i am facing problems with High speed USB port.</P><P>When an High speed device is connected to ECHI Host controller there is an error of -71 as per USB standards it is Protocol error and device is unable to enumerate at all ,if i connect with any intermediate device ,such as full speed USB hub device connected to host controller of ehci and&nbsp; High speed device connected to full speed Hub device gets enumerated and i can establish PPP on that device through this setup,but Network gets lost after few minutes (upto 5 to 6 mins maximum)and modem get hanged and NO AT commands will be working as Modem got hanged.</P><P></P><P>Please anyone can help me reply ....? </P></BODY></HTML> Sat, 09 Apr 2016 06:19:10 GMT ganjiaravind 2016-04-09T06:19:10Z https://community.nxp.com/t5/The-NXP-Cup-Technical-Reports/MPC8309-Tower-Board/m-p/491132#M21 <HTML><HEAD></HEAD><BODY><P>Hi everyone, i am using MPC8309 tower board and i am facing problems with High speed USB port.</P><P>When an High speed device is connected to ECHI Host controller there is an error of -71 as per USB standards it is Protocol error and device is unable to enumerate at all ,if i connect with any intermediate device ,such as full speed USB hub device connected to host controller of ehci and&nbsp; High speed device connected to full speed Hub device gets enumerated and i can establish PPP on that device through this setup,but Network gets lost after few minutes (upto 5 to 6 mins maximum)and modem get hanged and NO AT commands will be working as Modem got hanged.</P><P></P><P>Please anyone can help me reply ....? </P></BODY></HTML> Sat, 09 Apr 2016 06:19:10 GMT https://community.nxp.com/t5/The-NXP-Cup-Technical-Reports/MPC8309-Tower-Board/m-p/491132#M21 ganjiaravind 2016-04-09T06:19:10Z