![]() We can use the following option0 for testing, don’t need to configure the option1, as the octal flash is connected to the primary pin. The option0,1 value need to be modified to the octal flash values. Please note, can’t test the default project directly, as this project configuration is used by the QSPI flash, not the octal flash, if need to use the octal flash, customer need to modify the code at first, and add the GPIO to control the Flash_RST pin, which is used to reset the octal flash. To verify the board hardware can run from the octal flash, we can test the SDK attached fsl_romapi project: The octal flash BOOT_CFG pin configuration are as follows:Īfter modifying the hardware related resistors to choose the octal flash, SW1, SW2 should be configured to internal boot, and boot from octal flash, then it is controlled by the software part. MIMXRT1170-EVK board modify flash to the octal flash, it needs to disconnect the QSPI flash pins, and connect the octal flash pins, the related modification points are: This article is not limited to EVK, but also applies to RT1170+Octal flash MX25UM51345GXDI00 with customer-defined board ![]() This article will be based on NXP's official MIMXRT1170-EVK REV C1, modify the hardware onboard flash from QSPI flash to Octal flash MX25UM51345GXDI00, and modify the SDK project FCB, do ROM API test, do related tool download, do the debugger related flashloader modification and test with different IDE, so that customers who need it can refer to it. ![]() In practical usage, some customers need to use Octal flash with RT1170, but after modifying the EVK hardware to Octal flash MX25UM51345GXDI00, they may encounter various issues, such as download issues, boot issues, debug issues, and when the flash is empty or there is a valid boot code in the flash, the download result is different and so on. QSPI flash is used by default, so the FCB of the related SDK and some IDE debugger download flash drivers are also default to the QSPI flash. The MIMXRT1170-EVK hardware can directly support two types of flash: QSPI flash IS25WP128 and Octal flash MX25UM51345GXDI00. ![]()
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