I would like to implement MPU function. The MPU_RGDn_WORD2 registers has 4 User Mode Access Control fields (M3UM, M2UM, M1UM, M0UM).
These fields enable read (r), write (w), and execute ( x) permissions.
I want to make sure that which bit assign read (r), write (w), and execute ( x) permissions.
Regarding the M3UM, this field assigned bit 20, 19 and 18 of MPU_RGDn_WORD2.
I believe that read (r), write (w), and execute ( x) assigned as below:
- bit 20: read (r)
- bit 19: write (w)
- bit 18: execute ( x)
Am I correct?
Please reply as soon as possible.