r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 642

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

13. PCI Controller (PCIC)
(13) PCI PIO Address Register (PCIPAR)
Setting this register generates configuration cycles on the PCI bus. For details, see section 13.4.5
(2), Configuration Space Access.
Rev.1.00 Jan. 10, 2008 Page 612 of 1658
REJ09B0261-0100
Initial value:
Initial value:
Bit
31
30 to 24 ⎯
23 to 16 BN
PCI R/W:
PCI R/W:
SH R/W:
SH R/W:
Bit:
Bit:
Bit Name
CCIE
CCIE
R/W
31
15
—
—
R
1
x
R/W
30
—
—
14
—
R
0
x
R/W
DN
29
—
—
13
—
Initial
Value
1
All 0
H'xx
R
0
x
R/W
28
12
—
—
—
R
0
x
R/W
27
11
—
—
—
R
0
x
R/W
SH: R
PCI: ⎯
SH: R
PCI: ⎯
SH: R/W
PCI: ⎯
R/W
26
10
—
—
—
R
0
x
R/W
FN
Description
Configuration Cycle Issue Enable
0: Indicates that configuration cycle issue is disable
1: ⎯
Reserved
These bits are always read as 0. The write value
should always be 0.
PCI Bus Number
These bits specify a PCI bus number for the
configuration access target. The bus number 0
indicates the bus to which the PCIC is connected. A
bus number is represented by an 8-bit value in the
range from 0 to 255.
25
—
—
—
R
0
9
x
R/W
24
—
—
—
R
0
8
x
R/W
R/W
23
—
—
x
7
x
R/W
R/W
22
—
—
x
6
x
R/W
R/W
21
—
—
x
5
x
CRA
R/W
R/W
20
—
—
x
4
x
BN
R/W
R/W
19
—
—
x
3
x
R/W
R/W
18
—
—
2
x
x
R/W
17
—
—
—
R
1
0
x
R/W
16
—
—
—
R
0
0
x