Hello,
Many thanks for the response.
Yes I am connecting the board through J41.
My PC would not let MCUbootUtility tool run- blocked by security software. Is there any other source to download/install it?
Hi @dparth ,
1. About tool download in serial download mode, you also can try this nxp.com tool:
2. Please try whether you can download code to internal RAM in serial download with the onboard CMSIS DAP debugger.
If yes, you can use my attached code to test your internal flash, whether erase, program and read can work successfully.
When this can work, then you can change the erase location from 0x60000000.
Just do the mass erase.
Please try it on your side, any updated information, please kindly let me know.
Best Regards,
Kerry
Hi @dparth
Do you connect the USB to J41, and can you find the CMSIS DAP debugger?
If yes, and previously, you can download code, just now can't download code, you need to do the flash mass erase at first.
Please follow me to test it.
1. Power off the board, SW7:1-OFF,2-OFF,3-OFF,4-ON, enter serial download mode.
2. Download the MCUbootUtility tool:
https://github.com/JayHeng/NXP-MCUBootUtility/archive/refs/tags/v3.4.0.zip
the related user manual is:
https://github.com/JayHeng/NXP-MCUBootUtility
3. find another USB connect to J9, then
Connect the board, and erase the chip flash.
Then exit,
4. power off, SW7:1-OFF,2-OFF,3-ON,4-OFF
Use your CMSIS DAP connect again, you can test the SDK led_blinky simple code, it should works Ok now.
Best Regards,
Kerry