PI7C9X20404SLCFDE Pericom Semiconductor, PI7C9X20404SLCFDE Datasheet - Page 43

• Manufacturer Part Number: PI7C9X20404SLCFDE
• Description: IC PCIE PACKET SWITCH 128LQFP
• Manufacturer: Pericom Semiconductor
• Series: SlimLine™r

Specifications of PI7C9X20404SLCFDE

• Applications: Data Transport
• Interface: Advanced Configuration Power Interface (ACPI)
• Package / Case: 128-LQFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -

7.2.42
7.2.43
7.2.44
7.2.45
July 2009 – Revision 1.2
Pericom Semiconductor
NEXT ITEM POINTER REGISTER – OFFSET 9Ch (Upstream Port Only)
VPD REGISTER – OFFSET 9Ch (Upstream Port Only)
VPD DATA REGISTER – OFFSET A0h (Upstream Port Only)
VENDOR SPECIFIC CAPABILITY ID REGISTER – OFFSET A4h
BIT
7:0
BIT
15:8
BIT
17:16
23:18
30:24
31
BIT
31:0
BIT
7:0
FUNCTION
Enhanced
Capabilities ID
FUNCTION
Next Item Pointer
FUNCTION
Reserved
VPD Address
Reserved
VPD operation
FUNCTION
VPD Data
FUNCTION
Enhanced
Capabilities ID
TYPE
TYPE
TYPE
TYPE
TYPE
RW
RW
RW
RO
RO
RO
RO
RO
Page 43 of 77
DESCRIPTION
Read as 03h to indicate that these are VPD enhanced capability registers.
Reset to 03h.
DESCRIPTION
Pointer points to the Vendor specific capability register (A4h).
Reset to A4h.
DESCRIPTION
Reset to 00b.
Contains DWORD address that is used to generate read or write cycle to the
VPD table stored in EEPROM.
Reset to 000000b.
Reset to 0000000b.
0b: Performs VPD read command to VPD table at the location as specified
1b: Performs VPD write command to VPD table at the location as specified
Reset to 0b.
DESCRIPTION
When read, it returns the last data read from VPD table at the location as
specified in VPD Address.
When written, it places the current data into VPD table at the location as
specified in VPD Address.
DESCRIPTION
Read as 09h to indicate that these are vendor specific capability registers.
Reset to 09h.
in VPD address. This bit is kept ‘0’ and then set to ‘1’ automatically
after EEPROM cycle is finished
in VPD address. This bit is kept ‘1’ and then set to ‘0’ automatically
after EEPROM cycle is finished.
4Port-4Lane PCI Express® Switch
SlimLine
PI7C9X20404SL
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