r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 585

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

(23) PCI I/O Bank Mask Register (PCIIOBMR)
This register specifies the size of the PCI I/O space.
Refer to Section 13.4.3 (2), Accessing PCI Memory Space.
Initial value:
Initial value:
Bit
31 to 21 —
20 to 18 IOBAMR
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 I/O Space Bank Address Mask (3 bits)
000: 256 Kbytes
001: 512 Kbytes
011: 1 Mbyte
111: 2 Mbytes
Other than above: Setting prohibited
Reserved
These bits are always read as 0. The write value
should always be 0.
25
—
—
—
—
R
R
0
9
0
24
—
—
—
—
R
R
0
8
0
23
—
—
—
—
R
R
0
7
0
Rev. 1.00 Oct. 01, 2007 Page 519 of 1956
22
—
—
—
—
R
R
0
6
0
21
—
—
—
—
R
R
0
5
0
Section 13 PCI Controller (PCIC)
R/W
20
—
—
—
R
0
4
0
IOBAMR
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