SWCU192 November 2021 CC1312R7 , CC1352P7 , CC2652P7 , CC2652R7
The access permission bits, TEX, C, B, AP, and XN, of the Region Access Control Register control access to the corresponding memory region. If an access is made to an area of memory without the required permissions, a permission fault is raised. For more information, see the ARMv7-M Architecture Reference Manual.