mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 262
mpc823rg
Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC823RG.pdf
(1348 pages)
- Current page: 262 of 1348
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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.
RPN—Real Page Number
These bits are the most-significant bits of the page’s physical address.
PS_B—Page Size
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.
MI_RAM0
NOTE: — = Undefined.
RESET
RESET
FIELD
ADDR
FIELD
ADDR
R/W
R/W
BIT
BIT
000 = 4K.
001 = 16K.
011 = 512K.
111 = 8M.
010 = Reserved.
100 = Reserved.
101 = Reserved.
110 = Reserved.
16
0
17
1
RPN
—
R
18
2
Freescale Semiconductor, Inc.
For More Information On This Product,
19
3
20
MPC823 REFERENCE MANUAL
4
Go to: www.freescale.com
PS_B
21
—
R
5
22
6
23
CI
—
SPR 817
R
SPR 817
7
RPN
—
R
24
8
25
9
APG
—
R
10
26
11
27
Memory Management Unit
12
28
13
29
SFP
—
R
14
30
11-45
15
31
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