11.6.3.2 MMU INSTRUCTION RAM ENTRY READ REGISTER 0. The MMU instruction
RAM entry read register 0 (MI_RAM0) contains the physical page number and page
attributes of an entry indexed by the ITLB_INDX field of the MI_CTR. This register is only
updated when you write to the MI_CAM register.
MI_RAM0
BIT
0
1
2
FIELD
RESET
R/W
ADDR
BIT
16
17
18
FIELD
RPN
RESET
—
R/W
R
ADDR
NOTE: — = Undefined.
RPN—Real Page Number
These bits are the most-significant bits of the page's physical address.
PS_B—Page Size
000 = 4K.
001 = 16K.
011 = 512K.
111 = 8M.
010 = Reserved.
100 = Reserved.
101 = Reserved.
110 = Reserved.
CI—Cache-Inhibit
When this bit is 0, it is not cache-inhibited.
APG—Access Protection Group
A maximum of 16 protection groups are supported and represented in one's compliment
format.
MOTOROLA
3
4
5
6
7
RPN
—
R
SPR 817
19
20
21
22
23
PS_B
CI
—
—
R
R
SPR 817
MPC823e REFERENCE MANUAL
Memory Management Unit
8
9
10
11
12
24
25
26
27
28
APG
—
R
13
14
15
29
30
31
SFP
—
R
11-45