topic The GPIO Pin about CAN bus in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/The-GPIO-Pin-about-CAN-bus/m-p/161182#M3396 <HTML><HEAD></HEAD><BODY><DIV class="discussion"><DIV class="description"><DIV class="xg_user_generated"><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Hi All,<BR /></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012"><BR /></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN style=": ; font-size: 2; font-family: 'Courier New'; "><SPAN class="806512602-11052012">In my test, the CAN message is sent by "cansend" command but it still not transmitted. I can observe this message in the message buffer memory by realview ICE.</SPAN></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN style=": ; font-size: 2; font-family: 'Courier New'; "><SPAN class="806512602-11052012"><BR /></SPAN></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">I saw 3 PIN(CAN_STBY,CAN_EN,CAN_NERR) in iMX53 ARD schematic.</SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Could somebody tell me what functions in those PIN?</SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Are there any effect, if we don't make those PIN?(especially NERR GPI PIN)</SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012"><BR /></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Thanks.</SPAN></SPAN></DIV></DIV></DIV></DIV></BODY></HTML> Thu, 17 May 2012 02:59:55 GMT Ushnek 2012-05-17T02:59:55Z The GPIO Pin about CAN bus https://community.nxp.com/t5/i-MX-Processors/The-GPIO-Pin-about-CAN-bus/m-p/161182#M3396 <HTML><HEAD></HEAD><BODY><DIV class="discussion"><DIV class="description"><DIV class="xg_user_generated"><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Hi All,<BR /></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012"><BR /></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN style=": ; font-size: 2; font-family: 'Courier New'; "><SPAN class="806512602-11052012">In my test, the CAN message is sent by "cansend" command but it still not transmitted. I can observe this message in the message buffer memory by realview ICE.</SPAN></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN style=": ; font-size: 2; font-family: 'Courier New'; "><SPAN class="806512602-11052012"><BR /></SPAN></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">I saw 3 PIN(CAN_STBY,CAN_EN,CAN_NERR) in iMX53 ARD schematic.</SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Could somebody tell me what functions in those PIN?</SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Are there any effect, if we don't make those PIN?(especially NERR GPI PIN)</SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012"><BR /></SPAN></SPAN></DIV><DIV><SPAN style="font-family: 'Courier New'; font-size: 2; "><SPAN class="806512602-11052012">Thanks.</SPAN></SPAN></DIV></DIV></DIV></DIV></BODY></HTML> Thu, 17 May 2012 02:59:55 GMT https://community.nxp.com/t5/i-MX-Processors/The-GPIO-Pin-about-CAN-bus/m-p/161182#M3396 Ushnek 2012-05-17T02:59:55Z