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  • [SOLVED] Flashing nonsecure region on Cortex m23 is failing (Writing target memory failed)

    uncleskippy - - J-Link/Flasher related

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    I am developing against a Nuvoton m2351 via their NuMaker PFM-M2351 board and trying to use a J-Link Base to flash both the secure and nonsecure regions. The .hex images flash properly when using the built-in Nu-Link-Me ICE bridge. I have the secure and nonsecure regions partitioned out to evenly split available flash (256k each). Secure gets written to 0x0 without problems, but the nonsecure image fails because it is being written to 0x10040000 which is the nonsecure region (nonsecure region bi…