Renesas SH7781 User Manual

Page 598

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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.

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