This is a continuation of the debugging that was started on another thread with this initial comment: e2e.ti.com/.../4606054
the last responses where this was turned into a separate e2e thread:
Thank you for pointing that out, I will look into that some time this week. Just read some of It and seems like that might be getting us closer to solving this. I have not had any luck finding what the red LED on the bottom indicates. Its assumed to be a fault, but of what?
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Do you know who did the hardware layout on the board with the M2 tag on it, assembly # PROC100A(002). If we can verify the actual uart boot mode pin settings as stated in the TRM are correct that will help.
Per the docs
It should be send out the string to identify the device type, that does not work.