SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
As mentioned, the RAT module does not provide any protection by itself. The intention is that RAT is used in conjunction with memory protection unit (MPU) and system firewalls for protection. It is recommended that one or more RAT regions are directly mapped to an MPU region to provide 'MMU-like' behavior.