TM Family Datasheet Page 46 of 77 July 2009 – Rev" />
參數(shù)資料
型號： PI7C9X20404SLCFDE
廠商： Pericom
文件頁數(shù)： 41/77頁
文件大?。?/td> 0K
描述： IC PCIE PACKET SWITCH 128LQFP
標(biāo)準(zhǔn)包裝： 90
系列： SlimLine™
應(yīng)用： 封裝開關(guān)，4 端口/4 線道
接口： PCI Express
封裝/外殼： 128-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 128-LQFP（14x14）
包裝： 托盤
安裝類型： 表面貼裝
PI7C9X20404SL
4Port-4Lane PCI Express Switch
SlimLine
TM Family
Datasheet
Page 46 of 77
July 2009 – Revision 1.2
Pericom Semiconductor
BIT
FUNCTION
TYPE
DESCRIPTION
13:8
Power management
Control parameter
RW
The default value may be changed by SMBus or auto-loading from
EEPROM.
Reset to 000001b.
14
RX Polarity
Inversion Disable
RO
The default value may be changed by SMBus or auto-loading from
EEPROM.
Reset to 0b.
15
Compliance pattern
Parity Control
Disable
RO
The default value may be changed by SMBus or auto-loading from
EEPROM.
Reset to 0b.
16
Low Driver Current
RO
Low Driver Current (LODRV). The default value may be changed by SMBus
or auto-loading from EEPROM.
Reset to 0b.
17
High Driver Current
RO
High Driver Current (HIDRV). The default value may be changed by SMBus
or auto-loading from EEPROM.
Reset to 0b.
21:18
Driver Transmit
Current
RO
Driver Transmit Current (DTX[3:0]). The default value may be changed by
SMBus or auto-loading from EEPROM.
Reset to 0000b.
25:22
De-emphasis
Transmit
Equalization
RO
De-emphasis Transmit Equalization (DEQ[3:0]). The default value may be
changed by SMBus or auto-loading from EEPROM.
Reset to 1000b.
27:26
Receive Termination
Adjustment
RO
Receive Termination Adjustment (RXTRMADJ[1:0]). The default value may
be changed by SMBus or auto-loading from EEPROM.
Reset to 00b.
29:28
Transmit
Termination
Adjustment
RO
Transmit Termination Adjustment ( TXTRMADJ[1:0]). The default value
may be changed by SMBus or auto-loading from EEPROM.
Reset to 00b.
31:30
Receiver
Equalization Level
Control
RO
Receiver Equalization Level Control (RXEQCTL[1:0]). The default value
may be changed by SMBus or auto-loading from EEPROM.
Reset to 00b.
7.2.53
SWITCH OPERATION MODE – OFFSET B4h (Downstream Port)
BIT
FUNCTION
TYPE
DESCRIPTION
7:0
Reserved
RO
Reset to 0.
13:8
Power Management
Control Parameter
RW
The default value may be changed by SMBus or auto-loading from
EEPROM.
Reset to 000001b.
14
RX Polarity
Inversion Disable
RO
The default value may be changed by SMBus or auto-loading from
EEPROM.
Reset to 0b.
15
Compliance Pattern
Parity Control
Disable
RO
The default value may be changed by SMBus or auto-loading from
EEPROM.
Reset to 0b.
16
Low Driver Current
RO
It indicates the status of the strapping pin LODRV. The default value may be
changed by SMBus or auto-loading from EEPROM.
Reset to 0b.
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