Tool/software:
When MSPM33 enter a state where CCS is unable to connect to M33 core, follow the below procedure to implement Factory Reset.
CCS version >= CCS v 20.4.0.5
Step 1 - Launch project less debug
Step 2 - Click Scripts - MSPM33C321A_Commands - MSPM33_Mailbox_FactoryReset_Auto
Step 3 - Observe the logs in CCS
Step 4 - Now terminate debug session, power-cycle and restart debug session