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AM2634: lockstep and dual core set up

Part Number: AM2634

Hi Expert,

Is it possible to set up the two clusters (R50 and R51) on a single AM2634 microcontroller in different modes? That is R50 cores in lockstep mode and R51 cores in dual core mode?
If yes, could you please share with me the steps to set it up?

I had modified the GEL file (as mentioned here - https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1131605/faq-am2634-how-to-choose-setup-the-dual-core-with-lockstep-feature?tisearch=e2e-sitesearch&keymatch=lockstep%252525252520am2634#) to run all the 4 R5F cores in dual core mode and they worked fine.

To move one of the cluster back to lockstep mode, I reverted back the GEL file change and removed one of the core's rprc path from the system project -> makefile_system_ccs_bootimage_gen.
The project builds fine but when I download, it errors out saying Unable to access the DAP. Am I is missing anything?

Thanks in advance!