### MPU_RBAR

Bit Field | Read/Write | Field Name | Description
--- | --- | --- | ---
31:5 | RW | BASE | Base address
4:3 | RW | SH | Shareability
2:1 | RW | AP | Access permissions
0 | RW | XN | Execute never

Bit Field | Field Name | Value Symbol | Value Description | Hex Value
--- | --- | --- | --- | ---
4:3 | SH | NON_SHAREABLE | Non-shareable | 0x0*
|  | OUTER_SHAREABLE | Outer shareable | 0x2
|  | INNER_SHAREABLE | Inner Shareable | 0x3
2:1 | AP | RW_PRIVILEGED_CODE_ONLY | Read/write by privileged code only | 0x0*
|  | RW_PRIVILEGED_LEVEL | Read/write by any privilege level | 0x1
|  | R_PRIVILEGED_CODE_ONLY | Read-only by privileged code only | 0x2
|  | R_PRIVILEGED_LEVEL | Read-only by any privilege level | 0x3
0 | XN | EXEC_PERMITED | Execution only permitted if read permitted | 0x0*
|  | EXEC_NOT_PERMITTED | Execution not permitted | 0x1