imx7ulp evk cannot enter download mode

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imx7ulp evk cannot enter download mode

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andrew_questps
Contributor III

Hi all,

I can't seem to figure out what I am doing wrong here. I have changed the boot-pins to download mode (D1 off, D2 on) but I can't detect anything on my PC.

If I use the SD card provided with the EVK then the linux distro boots fine (when i change back to dual boot settings (on, off, off, on).

Is there something I am missing here? With the imx7d sabre board I had to remove the SD card and then try to boot the system before the serial downloader worked, is there something similar that needs doing here?
I am attempting to load the android demo image from NXP.

Regards,

Andre

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CarlosCasillas
NXP Employee
NXP Employee

Hi Andre,

The DIP switch configuration that you mentioned are actually correct for Serial Downloader Mode.

7ulp.png

The other thing that you need to verify is that you are connecting the board to the PC trough the USB Type-C port (the one from the processor) instead of the micro USB (which is from USB-Serial converter).


Hope this will be useful for you.
Best regards!
/Carlos
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watssonmerry445
Contributor I

I have also faced the same issue on my system and I directly reported this on epson error code 0xf4 and it is really very helpful to guide in this matter.

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CarlosCasillas
NXP Employee
NXP Employee

Hi Andre,

The DIP switch configuration that you mentioned are actually correct for Serial Downloader Mode.

7ulp.png

The other thing that you need to verify is that you are connecting the board to the PC trough the USB Type-C port (the one from the processor) instead of the micro USB (which is from USB-Serial converter).


Hope this will be useful for you.
Best regards!
/Carlos
-------------------------------------------------------------------------------
Note:
- If this post answers your question, please click the "Mark Correct" button. Thank you!

-------------------------------------------------------------------------------

View solution in original post

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andrew_questps
Contributor III

Thanks - silly me, I think I didn't have the cable plugged in correctly...

I was asking another question about the MIPI display but have now seen the hardware note that says that 5 resistors need to be removed and 5 0-ohm links need to be added, will do so after lunch.

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