r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 184
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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7. Memory Management Unit (MMU)
7.2.2
PTEL is used to hold the physical page number and page management information to be recorded
in the UTLB by means of the LDTLB instruction. The contents of this register are not changed
unless a software directive is issued.
Rev.1.00 Jan. 10, 2008 Page 154 of 1658
REJ09B0261-0100
Bit
31 to 10 VPN
9, 8
7 to 0
Bit
31 to 29 ⎯
28 to 10 PPN
9
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Page Table Entry Low Register (PTEL)
Bit Name
⎯
ASID
Bit Name
⎯
R/W
31
15
R
0
R/W R/W R/W R/W
30
14
R
0
Undefined R/W
Initial
Value
Undefined R/W
All 0
0
Initial
Value
All 0
Undefined R/W
29
13
R
0
PPN
R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
28
12
27
11
R/W
R
R/W
R
R
R/W
26
10
Description
Virtual Page Number
Reserved
For details on reading from or writing to these bits, see
description in General Precautions on Handling of
Product.
Address Space Identifier
Description
Reserved
For details on reading from or writing to these bits, see
description in General Precautions on Handling of
Product.
Physical Page Number
Reserved
For details on reading from or writing to this bit, see
description in General Precautions on Handling of
Product.
25
R
0
9
R/W
24
V
8
R/W R/W R/W
SZ1
23
7
PPN
PR1
22
6
PR0
21
5
R/W R/W R/W R/W R/W
SZ0
20
4
19
C
3
18
2
D
SH
17
1
WT
16
0
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