6 / 75 page
IP1000A LF
Preliminary Data Sheet
6/75
July 5, 2005
Copyright © 2005, IC Plus Corp.
IP1000A LF-DS-R08
1
PIN Description
Pin no.
Label
Type
Description
Medium Interface
36, 37, 41,
42, 50, 51,
55, 56
TP_MDI [3:0]+/-
I/O
Twisted- Pair Media Dependent Interface [3:0]
In 1000BASE-T mode, all 4 pairs are both input and output at
the same time. In 100BASE-TX and 10BASE-T mode, one
pair of TP_MDI [1:0]+/- is used for transmit pair and the other
is used for receive pair. TP_MDI [3:2]+/- are unused in
100BASE-TX and 10BASE-T mode.
Analog misc
48
HSDAC_P
O
Test Pin
Left floating
8
CTRL_REGD
O
Digital Regulator Control.
Regulator control to generate 1.8V supply.
45
CTRL_REGA
O
Analog Regulator Control.
Regulator control to generate 1.8V supply.
34
RSET
I
Reference.
External 6.2 k
Ωresistor connection as bandgap resistor.
LED
17
LED_LINK10N
EESK
O
O
LINK 10Mb/s LED.
10BASE-T
Link
Indicator.
This
pin
is
shared
with
EEPROM/serial ROM clock
18
LED_LINK100N
EEDI
O
O
LINK 100Mb/s LED.
100Mb/s
Link
Indicator.
This
pin
is
shared
with
EEPROM/serial ROM Data Input
14
LED_LINK1000N
O
LI
LINK 1000Mb/s LED.
22
LED_DUPLEXN
EEDO
O
I
Duplex LED.
Duplex or Duplex/Collision indicator. This pin is shared with the
output from EEPROM/serial ROM
21
LED_RXN
BootRom_HOLD
O
Receive LED.
Receive Activity.
shared pin of output to serial Rom for HOLD
16
LED_TXN
BootRom_WEN
O
Transmit LED.
Transmit Activity.
shared pin of output to serial Rom for write enable(active low)
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