89hpes24n3a Integrated Device Technology, 89hpes24n3a Datasheet - Page 8

• Manufacturer Part Number: 89hpes24n3a
• Description: 24-lane, 3-port Pcie I/o Expansion Switch
• Manufacturer: Integrated Device Technology

IDT 89HPES24N3A Data Sheet
System Pins
EJTAG / JTAG
1.
2.
Internal resistor values under typical operating conditions are 54K Ω for pull-up and 251K Ω for pull-down.
Schmitt Trigger Input (STI).
Function
CCLKDS
CCLKUS
MSMBSMODE
PERSTN
RSTHALT
SWMODE[3:0]
JTAG_TCK
JTAG_TDI
JTAG_TDO
JTAG_TMS
JTAG_TRST_N
Pin Name
Table 8 Pin Characteristics (Part 2 of 2)
Type
O
I
I
I
I
I
I
I
I
I
I
8 of 31
Buffer
LVTTL
LVTTL
Type
Input
I/O
STI
STI
STI
STI
Resistor
Internal
pull-down
pull-down
pull-down
pull-up
pull-up
pull-up
pull-up
pull-up
pull-up
1
External pull-down
Notes
April 23, 2008