PI7C9X20505GPBNDE Pericom Semiconductor, PI7C9X20505GPBNDE Datasheet - Page 42

• Manufacturer Part Number: PI7C9X20505GPBNDE
• Description: IC PCIE PACKET SWITCH 256BGA
• Manufacturer: Pericom Semiconductor
• Series: GreenPacket™r

Specifications of PI7C9X20505GPBNDE

• Applications: Data Transport
• Interface: Advanced Configuration Power Interface (ACPI)
• Package / Case: 256-PBGA
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -

7.2.29
7.2.30
7.2.31
7.2.32
June 2009 – Revision 1.5
Pericom Semiconductor
POWER MANAGEMENT CAPABILITY ID REGISTER – OFFSET 80h
NEXT ITEM POINTER REGISTER – OFFSET 80h
POWER MANAGEMENT CAPABILITIES REGISTER – OFFSET 80h
POWER MANAGEMENT DATA REGISTER – OFFSET 84h
BIT
7:0
BIT
15:8
BIT
18:16
19
20
21
24:22
25
26
31:27
BIT
1:0
2
3
FUNCTION
Enhanced
Capabilities ID
FUNCTION
Next Item Pointer
FUNCTION
Power Management
Revision
PME# Clock
Reserved
Device Specific
Initialization
AUX Current
D1 Power State
Support
D2 Power State
Support
PME# Support
FUNCTION
Power State
Reserved
No_Soft_Reset
TYPE
TYPE
TYPE
TYPE
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Page 42 of 81
DESCRIPTION
Read as 01h to indicate that these are power management enhanced capability
registers.
DESCRIPTION
At upstream ports, the pointer points to the Vital Protocol Data (VPD)
capability register (9Ch).
At downstream ports, the pointer points to the Message capability register
(8Ch).
Reset to 9Ch (Upstream port).
Reset to 8Ch (Downstream port).
DESCRIPTION
Read as 011b to indicate the device is compliant to Revision 1.2 of PCI
Power Management Interface Specifications.
Does not apply to PCI Express. Must be hardwired to 0b.
Reset to 0b.
Read as 0b to indicate Switch does not have device specific initialization
requirements. The default value may be changed by SMBus or auto-loading
from EEPROM.
Reset as 111b to indicate the Switch needs 375 mA in D3 state. The default
value may be changed by SMBus or auto-loading from EEPROM.
Read as 1b to indicate Switch supports the D1 power management state. The
default value may be changed by SMBus or auto-loading from EEPROM.
Read as 1b to indicate Switch supports the D2 power management state. The
default value may be changed by SMBus or auto-loading from EEPROM.
Read as 11111b to indicate Switch supports the forwarding of PME# message
in all power states. The default value may be changed by SMBus or
auto-loading from EEPROM.
DESCRIPTION
Indicates the current power state of the Switch. Writing a value of D0 when
the previous state was D3 cause a hot reset without asserting DWNRST_L.
00b: D0 state
01b: D1 state
10b: D2 state
11b: D3 hot state
Reset to 00b.
Reset to 0b.
When set, this bit indicates that device transitioning from D3hot to D0 does
not perform an internal reset. When clear, an internal reset is performed when
power state transits from D3hot to D0. This bit can be rewritten with
EEPROM programming. The default value may be changed by SMBus or
auto-loading from EEPROM.
5Port-5Lane PCI Express Switch
GreenPacket
PI7C9X20505GP
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