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L2U Programming Model
MSB
1
0
Field
Reset
16
17
18
Field
RBA
Reset
Undefined
Addr
Figure 11-5. L2U Region x Base Address Register (L2U_RBAx)
Bits
Name
0:19
RBA
Region base address. The RBA field provides the base address of the region. The region base
address should start on the block boundary for the corresponding block size attribute specified in
the region attribute register (L2U_RAx).
20:31
—
Reserved
11.8.5
Region Attribute Registers (L2U_RAx)
Each L2U region attribute register defines the protection attributes associated with a
specific region protected by the data memory protection unit. There are four registers (x =
0...3), one for each supported region.
MSB
1
0
Field
Reset
16
17
18
Field
RS
Reset
Addr
Figure 11-6. L2U Region X Attribute Register (L2U_RAx)
11-16
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
2
3
4
5
19
20
21
Table 11-8. L2U_RBAx Bit Descriptions
2
3
4
5
—
0000_0000_0000_0000
19
20
21
PP
0000_0000_0000_0000
MPC533 Reference Manual
6
7
8
9
RBA
Undefined
22
23
24
25
—
0000_0000_0000
SPR 792–795
Description
6
7
8
9
22
23
24
25
—
G
SPR 824–827
10
11
12
13
26
27
28
29
10
11
12
13
RS
26
27
28
29
—
MOTOROLA
14
15
30
LSB
31
14
15
30
LSB
31
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