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TM4C1294NCPDT: TM4C1294NCPDT stuck in ROM boot loader

Part Number: TM4C1294NCPDT

Hello,

I use TM4C1294NCPDT along with XDS100V3 (EMBEST). The connection is tested and it works, I am able to:

1. Load the image to microcontroller

2. Put breakpoints and they are reached

3.Step through each line of code

I do not why with every reset the ROM boot loader is invoked. I mean, I always see the message  "firmware update" on Device Manager. 

It seems that the ROM boot loader ignores the "valid application" (0x00000004 is not 0xFFFFFFFF), previously programmed.

I suspect the BOOTCFG has a wrong configuration (did not try to read its config so far).

Might be there any other cause why this behavior ?

Thank you,