https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639480#M1889 <HTML><HEAD></HEAD><BODY><P>As you guess, we really floating the pin.But is there any remedy? We can't connect the wire to the BGA below.</P><DIV class=""><DIV class=""><DIV class=""><DIV class="" dir="ltr" style="padding-bottom: 0px;"><P class=""><SPAN class="">I have sent an e-mail to you in November 7th.Can you help us to check the schematic?</SPAN></P></DIV></DIV></DIV></DIV></BODY></HTML> Mon, 21 Nov 2016 05:48:42 GMT liusonghw 2016-11-21T05:48:42Z https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639478#M1887 <HTML><HEAD></HEAD><BODY><P>The MPC8360E boot failure<BR />We use the MPC8360E chip in mass production, there has been a new problem, we urgently need your technical assistance.</P><P></P><P>Problem description:<BR />MPC8360 can't booted,But it kept reading NorFlash(boot from NorFlash),I observed NorFlash's chip-select signal by oscilloscope,and compared the signal with other normal equipment.<BR />Failure board: CS signal pulse width is very narrow.<BR />Normal board: CS signal pulse width wider.<BR />Test environment: The same boot files, the same material and configuration.<BR />Test number: We produce 50pcs board,appear 2 of problems(the same situation) board and 48pcs normal board. </P></BODY></HTML> Tue, 08 Nov 2016 03:32:36 GMT https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639478#M1887 liusonghw 2016-11-08T03:32:36Z https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639479#M1888 <HTML><HEAD></HEAD><BODY><P>Please verify if LGTA pin has pull-up, this pull-up is present, properly mounted and has desired value.</P></BODY></HTML> Tue, 08 Nov 2016 06:01:58 GMT https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639479#M1888 alexander_yakov 2016-11-08T06:01:58Z https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639480#M1889 <HTML><HEAD></HEAD><BODY><P>As you guess, we really floating the pin.But is there any remedy? We can't connect the wire to the BGA below.</P><DIV class=""><DIV class=""><DIV class=""><DIV class="" dir="ltr" style="padding-bottom: 0px;"><P class=""><SPAN class="">I have sent an e-mail to you in November 7th.Can you help us to check the schematic?</SPAN></P></DIV></DIV></DIV></DIV></BODY></HTML> Mon, 21 Nov 2016 05:48:42 GMT https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639480#M1889 liusonghw 2016-11-21T05:48:42Z https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639481#M1890 <HTML><HEAD></HEAD><BODY><P>There is no way to make local bus working with LGTA pin left floating, sorry.</P><P></P><P>I'm not sure what you mean by email, if you mean technical support case, than please let me know case number.</P></BODY></HTML> Mon, 21 Nov 2016 11:33:47 GMT https://community.nxp.com/t5/PowerQUICC-Processors/The-MPC8360E-boot-failure/m-p/639481#M1890 alexander_yakov 2016-11-21T11:33:47Z