NRGD=0000, SPERR=0, VLD=0
Control/Error Status Register
| VLD | Valid (global enable/disable for the MPU) 0 (0): MPU is disabled. All accesses from all bus masters are allowed. 1 (1): MPU is enabled |
| RESERVED | no description available |
| NRGD | Number of region descriptors 0 (0000): 8 region descriptors 1 (0001): 12 region descriptors 2 (0010): 16 region descriptors |
| NSP | Number of slave ports |
| HRL | Hardware revision level |
| RESERVED | no description available |
| RESERVED | no description available |
| SPERR | Slave port n error 0 (0): No error has occurred for slave port n. 1 (1): An error has occurred for slave port n. |