TM Family Datasheet Page 45 of 79 June 2009 – " />
參數(shù)資料
型號： PI7C9X20404GPBNBE
廠商： Pericom
文件頁數(shù)： 40/79頁
文件大小： 0K
描述： IC PCIE PACKET SWITCH 148LFBGA
產(chǎn)品變化通告： Product Discontinuation Notice 22/Jan/2010
標(biāo)準(zhǔn)包裝： 189
系列： GreenPacket™
應(yīng)用： 封裝開關(guān)，4 端口/4 線道
接口： PCI Express
封裝/外殼： 148-LFBGA
供應(yīng)商設(shè)備封裝： 148-LFBGA（12x12）
包裝： 托盤
安裝類型： 表面貼裝
PI7C9X20404GP
4Port-4Lane PCI Express Switch
GreenPacket
TM Family
Datasheet
Page 45 of 79
June 2009 – Revision 1.6
Pericom Semiconductor
BIT
FUNCTION
TYPE
DESCRIPTION
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
HwInt
It indicates the status of the strapping pin LODRV. The default value may be
changed by SMBus or auto-loading from EEPROM.
17
High Driver Current
HwInt
It indicates the status of the strapping pin HIDRV. The default value may be
changed by SMBus or auto-loading from EEPROM.
21:18
Driver Transmit
Current
HwInt
It indicates the status of the strapping pins DTX[3:0]. The default value may
be changed by SMBus or auto-loading from EEPROM.
25:22
De-emphasis
Transmit
Equalization
HwInt
It indicates the status of the strapping pins DEQ[3:0]. The default value may
be changed by SMBus or auto-loading from EEPROM.
27:26
Receive Termination
Adjustment
HwInt
It indicates the status of the strapping pins RXTRMADJ[1:0]. The default
value may be changed by SMBus or auto-loading from EEPROM.
29:28
Transmit
Termination
Adjustment
HwInt
It indicates the status of the strapping pins TXTRMADJ[1:0]. The default
value may be changed by SMBus or auto-loading from EEPROM.
31:30
Receiver
Equalization Level
Control
HwInt
It indicates the status of the strapping pins RXEQCTL[1:0]. The default value
may be changed by SMBus or auto-loading from EEPROM.
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
HwInt
It indicates the status of the strapping pin LODRV. The default value may be
changed by SMBus or auto-loading from EEPROM.
17
High Driver Current
HwInt
It indicates the status of the strapping pin HIDRV. The default value may be
changed by SMBus or auto-loading from EEPROM.
21:18
Driver Transmit
Current
HwInt
It indicates the status of the strapping pins DTX[3:0]. The default value may
be changed by SMBus or auto-loading from EEPROM.
25:22
De-emphasis
Transmit
Equalization
HwInt
It indicates the status of the strapping pins DEQ[3:0]. The default value may
be changed by SMBus or auto-loading from EEPROM.
27:26
Receive Termination
Adjustment
HwInt
It indicates the status of the strapping pins RXTRMADJ[1:0]. The default
value may be changed by SMBus or auto-loading from EEPROM.
29:28
Transmit
Termination
Adjustment
HwInt
It indicates the status of the strapping pins TXTRMADJ[1:0]. The default
value may be changed by SMBus or auto-loading from EEPROM.
31:30
Receiver
Equalization Level
Control
HwInt
It indicates the status of the strapping pins RXEQCTL[1:0]. The default value
may be changed by SMBus or auto-loading from EEPROM.
7.2.54
SSID/SSVID CAPABILITY ID REGISTER – OFFSET B8h
BIT
FUNCTION
TYPE
DESCRIPTION
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