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IDT RC32434
Function
Ethernet Interfaces
EJTAG / JTAG
System
Pin Name
Type
Buffer
I/O Type
MIICL
MIICRS
MIIRXCLK
MIIRXD[3:0]
MIIRXDV
MIIRXER
MIITXCLK
MIITXD[3:0]
MIITXENP
MIITXER
MIIMDC
MIIMDIO
JTAG_TMS
EJTAG_TMS
JTAG_TRST_N
JTAG_TCK
JTAG_TDO
JTAG_TDI
CLK
EXTBCV
EXTCLK
COLDRSTN
RSTN
I
I
I
I
I
I
I
O
O
O
O
I/O
I
I
I
I
O
I
I
I
O
I
I/O
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
STI
STI
STI
STI
STI
STI
STI
Low Drive
Low Drive
Low Drive
Low Drive
Low Drive
STI
STI
STI
STI
Low Drive
STI
STI
STI
High Drive
STI
Low Drive / STI
Internal
Resistor
Notes1
pull-down
pull-down
pull-up
pull-up
pull-down
pull-down
pull-up
pull-up
pull-up
pull-up
pull-up
pull-up
pull-up
pull-down
pull-up
pull-up on board
Table 2 Pin Characteristics (Part 2 of 2)
1. External pull-up required in most system applications. Some applications
2.
may require additional pull-ups not identified in this table.
Use a 2.2K pull-up resistor for I2C pins.
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January 19, 2006