https://community.nxp.com/t5/i-MX-Processors/Booting-IMXRT1170/m-p/1442804#M189217 <P>Hello,</P><P>For our customized board I would like to verify the booting process. I understand that the boot mode has to be 10 for internal mode; FlexSPI 1 in boot configuration and it is basically booting from the QSPI Flash (S25WP128-JBLE) but what is the use of the Octal Flash here (MX25UM51345GXDI00) ?</P><P>If I am correct the application has to be downloaded the first time using J-Link and serial download mode (01) to the QSPI Flash; booting configuration are not required to be changed for Jtag connection.</P><P>For our board we are also looking to boot from serial download (01) into the NAND Flash using USB OTG1 or UART and MCU BootUtility ? is this Possible?</P><P>Thank you,</P><P>TM</P> Tue, 12 Apr 2022 15:02:49 GMT TM_MI 2022-04-12T15:02:49Z https://community.nxp.com/t5/i-MX-Processors/Booting-IMXRT1170/m-p/1442804#M189217 <P>Hello,</P><P>For our customized board I would like to verify the booting process. I understand that the boot mode has to be 10 for internal mode; FlexSPI 1 in boot configuration and it is basically booting from the QSPI Flash (S25WP128-JBLE) but what is the use of the Octal Flash here (MX25UM51345GXDI00) ?</P><P>If I am correct the application has to be downloaded the first time using J-Link and serial download mode (01) to the QSPI Flash; booting configuration are not required to be changed for Jtag connection.</P><P>For our board we are also looking to boot from serial download (01) into the NAND Flash using USB OTG1 or UART and MCU BootUtility ? is this Possible?</P><P>Thank you,</P><P>TM</P> Tue, 12 Apr 2022 15:02:49 GMT https://community.nxp.com/t5/i-MX-Processors/Booting-IMXRT1170/m-p/1442804#M189217 TM_MI 2022-04-12T15:02:49Z https://community.nxp.com/t5/i-MX-Processors/Booting-IMXRT1170/m-p/1443240#M189253 <P>Hi,<BR />Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.<BR />1) FlexSPI 1 in boot configuration and it is basically booting from the QSPI Flash (S25WP128-JBLE) but what is the use of the Octal Flash here (MX25UM51345GXDI00)<BR />-- The RT MCU can boot from the Octal Flash besides QSPI flash.<BR />2) If I am correct the application has to be downloaded the first time using J-Link and serial download mode (01) to the QSPI Flash; booting configuration are not required to be changed for Jtag connection.<BR />-- No, I don't think so.<BR />3) For our board we are also looking to boot from serial download (01) into the NAND Flash using USB OTG1 or UART and MCU BootUtility ? is this Possible?<BR />-- Yes, it's possible.<BR />Have a great day,<BR />TIC</P> <P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P> <P>&nbsp;</P> <P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P> Wed, 13 Apr 2022 08:02:54 GMT https://community.nxp.com/t5/i-MX-Processors/Booting-IMXRT1170/m-p/1443240#M189253 jeremyzhou 2022-04-13T08:02:54Z