Renesas SH7781 用户手册
7. Memory Management Unit (MMU)
Rev.1.00 Jan. 10, 2008 Page 160 of 1658
REJ09B0261-0100
REJ09B0261-0100
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
31 to 14
⎯ All
0 R
Reserved
For details on reading/writing these bits, see General
Precautions on Handling of Product.
Precautions on Handling of Product.
13 to 8
EPR
Undefined R/W
7 to 4
ESZ
Undefined R/W
Page Control Information
Each bit has the same function as the corresponding
bit of the unified TLB (UTLB). For details, see section
7.4, TLB Functions (TLB Extended Mode; MMUCR.ME
= 1)
bit of the unified TLB (UTLB). For details, see section
7.4, TLB Functions (TLB Extended Mode; MMUCR.ME
= 1)
3 to 0
⎯ All
0 R
Reserved
For details on reading/writing these bits, see General
Precautions on Handling of Product.
Precautions on Handling of Product.
7.2.7
Physical Address Space Control Register (PASCR)
PASCR controls the operation in the physical address space.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Bit:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Initial value:
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
UB
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W:
Bit:
Initial value:
R/W:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R