mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 256

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mpc823rg

Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
PS—Page Size
SH—Shared Page
ASID—Address Space ID
This field is the address space ID of the TLB entry to be compared with the CASID field of
the M_CASID register.
11.6.2.2 MMU DATA RAM ENTRY READ REGISTER 0. The MMU data RAM entry read
register 0 (MD_RAM0) contains the physical page number and page attributes of an entry
indexed by the DTLB_INDX field of the MD_CTR. This register is only updated when you
write a value to it.
RPN—Real Page Number
These bits are the most-significant bits of the page’s physical address.
MD_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.
0 = This entry matches only if the ASID field in the data TLB entry matches the value
1 = ASID comparison is disabled for the entry.
of the M_CASID register.
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
21
R
5
22
6
23
SPR 825
SPR 825
7
RPN
R
24
8
APGI
R
25
9
10
26
11
27
G
R
Memory Management Unit
WT
12
28
R
13
29
CI
R
RESERVED
14
30
R
0
11-39
15
31

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