PI7C9X20404SLCFDE Pericom Semiconductor, PI7C9X20404SLCFDE Datasheet - Page 48

• 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: -

7.2.59
7.2.60
July 2009 – Revision 1.2
Pericom Semiconductor
SUBSYSTEM ID REGISTER – OFFSET C4h
GPIO CONTROL REGISTER – OFFSET D8h (Upstream Port Only)
15:0
BIT
31:16
BIT
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SSVID
FUNCTION
SSID
FUNCTION
GPIO [0] Input
GPIO [0] Output
Enable
GPIO [0] Output
Register
Reserved
GPIO [1] Input
GPIO [1] Output
Enable
GPIO [1] Output
Register
Reserved
GPIO [2] Input
GPIO [2] Output
Enable
GPIO [2] Output
Register
Reserved
GPIO [3] Input
GPIO [3] Output
Enable
GPIO [3] Output
Register
Reserved
GPIO [4] Input
TYPE
TYPE
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Page 48 of 77
State of GPIO [3] pin.
State of GPIO [4] pin.
It indicates the sub-system vendor id. The default value may be changed by
SMBus or auto-loading from EEPROM.
Reset to 0000h.
DESCRIPTION
It indicates the sub-system device id. The default value may be changed by
SMBus or auto-loading from EEPROM.
Reset to 0000h.
DESCRIPTION
State of GPIO [0] pin
0b: GPIO [0] is an input pin
1b: GPIO [0] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [0] pin if GPIO [0] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
State of GPIO [1] pin.
0b: GPIO [1] is an input pin
1b: GPIO [1] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [1] pin if GPIO [1] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
State of GPIO [2] pin
0b: GPIO [2] is an input pin
1b: GPIO [2] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [2] pin if GPIO [2] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
0b: GPIO [3] is an input pin
1b: GPIO [3] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [3] pin if GPIO [3] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
4Port-4Lane PCI Express® Switch
SlimLine
PI7C9X20404SL
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