NMPU Registers
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SPNU563A–March 2018
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System Memory Protection Unit (NMPU)
Table 11-14. MPU Region Size and Enable Register (MPUREGSENA) Field Descriptions (continued)
Bit Field Value Description
5-1 REG_SIZE MPU Region size. This field determines the size of an MPU region.
Read: Returns current value of REG_SIZE.
Write in Privilege: Defines the size of an MPU region.
0-3h Reserved
4h 32 bytes
5h 64 bytes
6h 128 bytes
7h 256 bytes
8h 512 bytes
9h 1 KB
Ah 2 KB
Bh 4 KB
Ch 8 KB
Dh 16 KB
Eh 32 KB
Fh 64 KB
10h 128 KB
11h 256 KB
12h 512 KB
13h 1 MB
14h 2 MB
15h 4 MB
16h 8 MB
17h 16 MB
18h 32 MB
19h 64 MB
1Ah 128 MB
1Bh 256 MB
1Ch 512 MB
1Dh 1 GB
1Eh 2 GB
1Fh 4 GB
0 REGENA MPU Region Enable. This is the register bit for enabling an MPU region.
Read:
0 MPU region is disabled.
1 MPU region is enabled.
Write in Privilege:
0 Disable MPU region.
1 Enable MPU region.