Renesas SH7781 - Manual (Page 598)

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