r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 581
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r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
(2026 pages)
- Current page: 581 of 2026
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(19) PCI Memory Bank Mask Register 1 (PCIMBMR1)
This register specifies the size of the PCI memory space 1.
Refer to Section 13.4.3 (2), Accessing PCI Memory Space.
Initial value:
Initial value:
Bit
31 to 26
25 to 18 MSBAM1
17 to 0
PCI R/W:
PCI R/W:
SH R/W:
SH R/W:
Bit:
Bit:
Bit Name
31
15
—
—
—
—
R
R
0
0
30
14
—
—
—
—
R
R
0
0
Initial
Value
All 0
All 0
All 0
29
13
—
—
—
—
R
R
0
0
28
12
—
—
—
—
R
R
0
0
R/W
SH: R
PCI:
SH: R/W
PCI:
SH: R
PCI:
27
11
—
—
—
—
R
R
0
0
26
10
—
—
—
—
R
R
0
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
PCI Memory Space 1 Bank Address Mask (8 bits)
00 0000 00: 256 Kbytes
00 0000 01: 512 Kbytes
00 0000 11: 1 Mbyte
00 0001 11: 2 Mbytes
00 0011 11: 4 Mbytes
00 0111 11: 8 Mbytes
00 1111 11: 16 Mbytes
01 1111 11: 32 Mbytes
11 1111 11: 64 Mbytes
Other than above: Setting prohibited
Reserved
These bits are always read as 0. The write value
should always be 0.
R/W
25
—
—
—
R
0
9
0
R/W
24
—
—
—
R
0
8
0
R/W
23
—
—
—
R
0
7
0
Rev. 1.00 Oct. 01, 2007 Page 515 of 1956
R/W
22
—
—
—
MSBAM1
R
0
6
0
R/W
21
—
—
—
R
0
5
0
Section 13 PCI Controller (PCIC)
R/W
20
—
—
—
R
0
4
0
R/W
19
—
—
—
R
0
3
0
REJ09B0256-0100
R/W
18
—
—
—
R
0
2
0
17
—
—
—
—
R
R
0
1
0
16
—
—
—
—
R
R
0
0
0
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