PI7C21P100NH PERICOM [Pericom Semiconductor Corporation], PI7C21P100NH Datasheet - Page 62

• Manufacturer Part Number: PI7C21P100NH
• Description: 2-PORT PCI-X BRIDGE
• Manufacturer: PERICOM [Pericom Semiconductor Corporation]

8.1.59
8.1.60
8.1.61
NEXT CAPABILITIES POINTER REGISTER – OFFSET 90h
POWER MANAGEMENT CAPABILITIES REGISTER – OFFSET 90h
POWER MANAGEMENT CONTROL AND STATUS REGISTER –
OFFSET 94h
BIT
15:8
BIT
31:27
26
25
24:22
21
20
19
18:16
BIT
15
14:13
12:9
8
7:2
FUNCTION
Next Capabilities
Pointer
FUNCTION
PME# Pin Support
D2 Power State Support
D1 Power State Support
AUX Current
Device Specific
Initialization
RESERVED
PME Clock
Version
FUNCTION
PME Status
Data Scale
Data Select
PME Enable
RESERVED
TYPE
TYPE
RO
RO
RO
RO
TYPE
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Page 62 of 77
DESCRIPTION
Next Capabilities Pointer
Returns 00h when read indicating that there are no more list items in
the capabilities list.
DESCRIPTION
PME# Pin Support
Returns 00000 when read designating that PI7C21P100 does not
support the PME# pin.
D2 Power State Support
Returns 0 when read indicating the D2 power management state is
not supported.
D1 Power State Support
Returns 0 when read indicating the D1 power management state is
not supported.
AUX Current
Returns 000 when read indicating PME# generation is not supported
in the D3
Device Specific Initialization
Returns 0 when read indicating that no special initialization of this
function beyond the standard PCI configuration header is required
following transition to the D0 un-initialized state.
Reserved. Returns 0 when read.
PME Clock
Returns 0 when read indicating PME# generation is not supported.
Version
Returns 010 when read indicating PI7C21P100 complies with
revision 2.0 of the PCI Power Management Interface Specification.
DESCRIPTION
PME Status
Returns 0 when read indicating PI7C21P100 does not support the
PME# pin.
Data Scale
Returns 00 when read indicating the data register is not implemented.
Data Select
Returns 0000 when read indicating the data register is not
implemented.
PME Enable
Returns 0 when read indication PME# generation is not supported.
Reserved. Returns 000000 when read.
cold
power management state.
ADVANCE INFORMATION
June 10, 2005 Revision 1.06
2-PORT PCI-X BRIDGE
PI7C21P100