TM Family Datasheet Page 55 of 77 August 2009 – Re" />
參數(shù)資料
型號(hào)： PI7C9X20303ULAZPE
廠商： Pericom
文件頁(yè)數(shù)： 51/77頁(yè)
文件大?。?/td> 0K
描述： IC PCIE PACKET SWITCH 132TQFN
標(biāo)準(zhǔn)包裝： 168
系列： UltraLo™
應(yīng)用： 封裝開(kāi)關(guān)，3 端口/3 線道
接口： PCI Express
封裝/外殼： 132-VFQFN 雙排裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 132-TQFN-EP（10x10）
包裝： 托盤(pán)
安裝類型： 表面貼裝
PI7C9X20303UL
3Port-3Lane PCI Express Switch
UltraLo
TM Family
Datasheet
Page 55 of 77
August 2009 – Revision 1.1
Pericom Semiconductor
BIT
FUNCTION
TYPE
DESCRIPTION
14:7
Slot Power Limit
Value
RW
It applies to Downstream Port only. In combination with the Slot Power Limit
Scale value, specifies the upper limit on power supplied by slot. Writes to this
register also cause the Port to send the Set_Slot_Power_Limit message. The
default value may be changed by SMBus or auto-loading from EEPROM.
Reset to 00h.
16:15
Slot Power Limit
Scale
RW
It applies to Downstream Port only. Specifies the scale used for the Slot
Power Limit Value. Writes to this register also cause the Port to send the
Set_Slot_Power_Limit message. The default value may be changed by
SMBus or auto-loading from EEPROM.
Reset to 00b.
18:17
Reserved
RO
Reset to 00b.
31:19
Physical Slot
Number
RO
It indicates the physical slot number attached to this Port. The default value
may be changed by SMBus or auto-loading from EEPROM.
Reset to 0.
7.2.74
SLOT CONTROL REGISTER (Downstream Port Only) – OFFSET F8h
BIT
FUNCTION
TYPE
DESCRIPTION
0
Attention Button
Pressed Enable
RW
When set, it enables the generation of Hot-Plug interrupt or wakeup event on
an attention button pressed event.
Reset to 0b.
1
Power Fault Detected
Enable
RW
When set, it enables the generation of Hot-Plug interrupt or wakeup event on
a power fault event.
Reset to 0b.
2
Reserved
RO
Reset to 0b.
3
Presence Detect
Changed Enable
RW
When set, it enables the generation of Hot-Plug interrupt or wakeup event on
a presence detect changed event.
Reset to 0b.
4
Command
Completed Interrupt
Enable
RW
When set, it enables the generation of Hot-Plug interrupt when the Hot-Plug
Controller completes a command.
Reset to 0b.
5
Hot-Plug Interrupt
Enable
RW
When set, it enables generation of Hot-Plug interrupt on enabled Hot-Plug
events.
Reset to 0b.
7:6
Attention Indicator
Control
RW
Controls the display of Attention Indicator.
00b: Reserved
01b: On
10b: Blink
11b: Off
Writes to this register also cause the Port to send the
ATTENTION_INDICATOR_* Messages.
Reset to 11b.
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