NXP Semiconductors KE1xF Series, Reference Manual, Page: 123 / 1483

MPU_EDRn field descriptions (continued)
Field Description
0
ERW
Error Read/Write
Indicates the access type of the faulting reference.
0 Read
1 Write
8.4.4 Region Descriptor n, Word 0 (MPU_RGDn_WORD0)
The first word of the region descriptor defines the 0-modulo-32 byte start address of the
memory region. Writes to this register clear the region descriptor’s valid bit
(RGDn_WORD3[VLD]).
Address: 4000_D000h base + 400h (16d × i), where i=0d to 7d
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
SRTADDR
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
MPU_RGDn_WORD0 field descriptions
Field Description
31–5
SRTADDR
Start Address
Defines the most significant bits of the 0-modulo-32 byte start address of the memory region.
Reserved This field is reserved.
This read-only field is reserved and always has the value 0.
Chapter 8 Memory Protection Unit (MPU)
Kinetis KE1xF Sub-Family Reference Manual, Rev. 4, 06/2019
NXP Semiconductors 123