参数资料
型号: 89HPES12T3G2
厂商: Integrated Device Technology, Inc.
英文描述: 12-Lane 3-Port Gen2 PCI Express Switch
中文描述: 12巷3端口第二代的PCI Express开关
文件页数: 8/31页
文件大小: 291K
代理商: 89HPES12T3G2
8 of 31
September 4, 2007
IDT 89HPES12T3G2 Data Sheet
A
Pin Charac teristic s
Note:
Some input pads of the PES12T3G2 do not contain internal pull-ups or pull-downs. Unused inputs should be tied off to appropriate
levels. This is especially critical for unused control signal inputs which, if left floating, could adversely affect operation. Also, any input pin left
floating can cause a slight increase in power consumption.
Func tion
Pin Name
Type
Buffer
I/O
Type
Internal
Resistor
1
Notes
PCI Express Inter-
face
PE0RN[3:0]
I
CML
Serial Link
PE0RP[3:0]
I
PE0TN[3:0]
O
PE0TP[3:0]
O
PE2RN[3:0]
I
PE2RP[3:0]
I
PE2TN[3:0]
O
PE2TP[3:0]
O
PE4RN[3:0]
I
PE4RP[3:0]
I
PE4TN[3:0]
O
PE4TP[3:0]
O
PEREFCLKN[0]
I
Diff. Clock
Input
Refer to Table 9
PEREFCLKP[0]
I
REFCLKM
I
LVTTL
Input
pull-down
SMBus
MSMBADDR[4:1]
I
LVTTL
Input
STI
2
pull-up
MSMBCLK
I/O
pull-up on board
MSMBDAT
I/O
STI
pull-up on board
SSMBADDR[5,3:1]
I
Input
pull-up
SSMBCLK
I/O
STI
pull-up on board
SSMBDAT
I/O
STI
pull-up on board
General Purpose I/O
GPIO[15:0]
I/O
LVTTL
STI,
High Drive
pull-up
SystemPins
CCLKDS
I
LVTTL
Input
pull-up
CCLKUS
I
Input
pull-up
MSMBSMODE
I
Input
pull-down
PERSTN
I
STI
RSTHALT
I
Input
pull-down
SWMODE[2:0]
I
Input
pull-down
EJTAG / JTAG
JTAG_TCK
I
LVTTL
STI
pull-up
JTAG_TDI
I
STI
pull-up
JTAG_TDO
O
JTAG_TMS
I
STI
pull-up
JTAG_TRST_N
I
STI
pull-up
Table 8 Pin Characteristics (Part 1 of 2)
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