r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 598

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r8a77850anbg

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

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13. PCI Controller (PCIC)
(5)
PCIRID specifies a revision identifier specific to a PCI device.
Rev.1.00 Jan. 10, 2008 Page 568 of 1658
REJ09B0261-0100
Bit
6
5
4
3 to 0
Bit
7 to 0
PCI Revision ID Register (PCIRID)
Bit Name
66C
CL
Bit Name
RID
Initial value:
Initial
Value
0
0
1
All 0
Initial
Value
H'xx
PCI R/W:
SH R/W:
Bit:
R/W
SH: R/W
PCI: R
SH: R/W
PCI: R
SH: R
PCI: R
SH: R
PCI: R
R/W
SH: R
PCI: R
R
R
7
x
R
R
6
x
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
66MHz-Operation Capable Status
Indicates whether the PCIC can operate at 66MHz.
0: PCIC operates at 33 MHz
1: PCIC operates at 66 MHz
PCI Power Management (extended function)
Indicates whether the PCI power management is
supported.
0: Power management not supported
1: Power management supported
Reserved
These bits are always read as 0. The write value
should always be 0.
Description
Revision ID
Indicates the level revision of the PCIC.The initial
value depends on the logic version of this LSI.
R
R
5
x
R
R
4
x
RID
R
R
3
x
R
R
2
x
R
R
1
x
R
R
0
x

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