PI7C9X20404SLCFDE Pericom Semiconductor, PI7C9X20404SLCFDE Datasheet - Page 57

• 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: -

7.2.75
July 2009 – Revision 1.2
Pericom Semiconductor
SLOT STATUS REGISTER (Downstream Port Only) – OFFSET F8h
BIT
9:8
10
11
12
15:13
BIT
16
17
18
19
20
21
22
23
24
31:25
FUNCTION
Power Indicator
Control
Power Controller
Control
Reserved
Data Link Layer
State Changed
Enable
Reserved
FUNCTION
Attention Button
Pressed
Power Fault Detected
MRL Sensor
Changed
Presence Detect
Changed
Command
Completed
MRL Sensor State
Presence Detect State
Reserved
Data Link Layer
State Changed
Reserved
RW1C
RW1C
RW1C
RW1C
RW1C
TYPE
TYPE
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
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DESCRIPTION
Controls the display of Power Indicator.
00b: Reserved
01b: On
10b: Blink
11b: Off
Writes to this register also cause the Port to send the
POWER_INDICATOR_* Messages.
Reset to 11b.
0b: reset the power state of the slot (Power On)
1b: set the power state of the slot (Power Off)
Reset to 0b.
Reset to 0b.
If the Data Link Layer Link Active capability is implemented, when set to 1b,
this field enables software notification when Data Link Layer Link Active
field is changed.
Reset to 0b.
Reset to 000b
DESCRIPTION
When set, it indicates the Attention Button is pressed.
Reset to 0b.
When set, it indicates a Power Fault is detected.
Reset to 0b.
When set, it indicates a MRL Sensor Changed is detected.
Reset to 0b.
When set, it indicates a Presence Detect Changed is detected.
Reset to 0b.
When set, it indicates the Hot-Plug Controller completes an issued command.
Reset to 0b.
Reflects the status of MRL Sensor.
0b: MRL Closed
1b: MRL Opened
Reset to 0b.
Indicates the presence of a card in the slot.
0b: Slot Empty
1b: Card Present in slot
This register is implemented on all Downstream Ports that implement slots.
For Downstream Ports not connected to slots (where the Slot Implemented bit
of the PCI Express Capabilities register is 0b), this bit returns 1b.
Reset to 1b.
Reset to 0.
This bit is set when the value reported in the Data Link Layer Link Active
field of the Link Status register is changed.
Reset to 0
4Port-4Lane PCI Express® Switch
SlimLine
PI7C9X20404SL
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