topic Sudden Switching Between Serial Downloader Mode and Internal Boot Mode in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Sudden-Switching-Between-Serial-Downloader-Mode-and-Internal/m-p/425022#M64324 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #303030;">Dear All,</SPAN></P><P></P><P><SPAN style="color: #303030;">We have dip switch (two position switch) and which is used to change the mode between “Serial Downloader Mode (for MFG programming) ” and “Internal Boot Mode (for booting)”. </SPAN></P><P></P><P><SPAN style="color: #303030;">MFG Programming Switch Position:-</SPAN></P><P><SPAN style="color: #303030;">SW_POS1= 1 and SW_POS2=0 </SPAN></P><P></P><P><SPAN style="color: #303030;">Booting Switch Position:-</SPAN></P><P><SPAN style="color: #303030;">SW_POS1= 0 and SW_POS2=1 </SPAN></P><P></P><P><SPAN style="color: #303030;">The question is,</SPAN></P><P><SPAN style="color: #303030;">While programming time, will set the switch position to “SW_POS1= 1 and SW_POS2=0”. Hence HID will detect and will press the MFG tool “START” button to initiate the programming. And then immediately will change the switch position to “SW_POS1= 0 and SW_POS2=1” during the same programming time (without power-off and before ending the MFG programing completely). Since we hope that, HID detection once is enough and no need to being till programing ends. Once the programing is done, then board will start to boot directly by pressing reset button <SPAN style="color: #303030;">(POR_B reset) </SPAN>on the board. Practically above scenario worked successfully. But we are concern about this sudden switching between Serial Downloader Mode (for MFG programming) ” and “Internal Boot Mode (for booting)” will damage the iMX6 CPU ? Could you share your feedback ?</SPAN></P><P></P><P><SPAN style="color: #303030;">Regards</SPAN><SPAN style="color: #303030;">,</SPAN></P><P><SPAN style="color: #303030;">Azlum</SPAN></P></BODY></HTML> Sat, 08 Aug 2015 07:38:29 GMT mohammedazlum 2015-08-08T07:38:29Z Sudden Switching Between Serial Downloader Mode and Internal Boot Mode https://community.nxp.com/t5/i-MX-Processors/Sudden-Switching-Between-Serial-Downloader-Mode-and-Internal/m-p/425022#M64324 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #303030;">Dear All,</SPAN></P><P></P><P><SPAN style="color: #303030;">We have dip switch (two position switch) and which is used to change the mode between “Serial Downloader Mode (for MFG programming) ” and “Internal Boot Mode (for booting)”. </SPAN></P><P></P><P><SPAN style="color: #303030;">MFG Programming Switch Position:-</SPAN></P><P><SPAN style="color: #303030;">SW_POS1= 1 and SW_POS2=0 </SPAN></P><P></P><P><SPAN style="color: #303030;">Booting Switch Position:-</SPAN></P><P><SPAN style="color: #303030;">SW_POS1= 0 and SW_POS2=1 </SPAN></P><P></P><P><SPAN style="color: #303030;">The question is,</SPAN></P><P><SPAN style="color: #303030;">While programming time, will set the switch position to “SW_POS1= 1 and SW_POS2=0”. Hence HID will detect and will press the MFG tool “START” button to initiate the programming. And then immediately will change the switch position to “SW_POS1= 0 and SW_POS2=1” during the same programming time (without power-off and before ending the MFG programing completely). Since we hope that, HID detection once is enough and no need to being till programing ends. Once the programing is done, then board will start to boot directly by pressing reset button <SPAN style="color: #303030;">(POR_B reset) </SPAN>on the board. Practically above scenario worked successfully. But we are concern about this sudden switching between Serial Downloader Mode (for MFG programming) ” and “Internal Boot Mode (for booting)” will damage the iMX6 CPU ? Could you share your feedback ?</SPAN></P><P></P><P><SPAN style="color: #303030;">Regards</SPAN><SPAN style="color: #303030;">,</SPAN></P><P><SPAN style="color: #303030;">Azlum</SPAN></P></BODY></HTML> Sat, 08 Aug 2015 07:38:29 GMT https://community.nxp.com/t5/i-MX-Processors/Sudden-Switching-Between-Serial-Downloader-Mode-and-Internal/m-p/425022#M64324 mohammedazlum 2015-08-08T07:38:29Z Re: Sudden Switching Between Serial Downloader Mode and Internal Boot Mode https://community.nxp.com/t5/i-MX-Processors/Sudden-Switching-Between-Serial-Downloader-Mode-and-Internal/m-p/425023#M64325 <HTML><HEAD></HEAD><BODY><P>Hi <SPAN style="color: #303030;">Azlum</SPAN></P><P></P><P><SPAN style="color: #303030;">no, processor will not be damaged. Also it will know about new boot</SPAN></P><P><SPAN style="color: #303030;">settings only after POR/reset toggle.</SPAN></P><P></P><P>Best regards</P><P>igor</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sat, 08 Aug 2015 12:31:23 GMT https://community.nxp.com/t5/i-MX-Processors/Sudden-Switching-Between-Serial-Downloader-Mode-and-Internal/m-p/425023#M64325 igorpadykov 2015-08-08T12:31:23Z