IP101A LF
Data Sheet
9/36
Oct 22, 2007
Copyright © 2004, IC Plus Corp.
IP101A LF-DS-R12
Pin Descriptions (continued)
Pin no.
Label
Type
Description
IC Configuration Options
43
ISOL
I
(PD)
Set high to this pin will isolate IP101A LF from other MAC. This
action will also isolate the MDC/MDIO management interface.
The power usage is at minimum when this pin is activated. This
pin can be directly connected to GND or VCC. (An internal weak
pulled-down is used to be inactive as a default)
40
RPTR
I
(PD)
Enable this pin to high will put the IP101A LF into repeater
mode. This pin can be directly connected to GND or VCC. (An
internal weak pulled-down is used to be inactive as a default)
39
SPD
LI/O
(PU)
This pin is latched to input during a power on or reset condition.
Set high to put the IP101A LF into 100Mbps operation. This pin
can be directly connected to GND or VCC. (An internal weak
pulled-up is used to set 100Mbps as a default)
38
DPLX
LI/O
(PU)
This pin is latched to input during a power on or reset condition.
Set high to enable full duplex. This pin can be directly connected
to GND or VCC. (An internal weak pulled-up is used to set full
duplex as a default)
37
AN_ENA
LI/O
(PU)
This pin is latched to input during a power on or reset condition.
Set high to enable auto-negotiation mode, set low to force mode.
This pin can be directly connected to GND or VCC. (An internal
weak pulled-up is used to enable Auto-Negotiation as a default)
41
APS
I
(PU)
Set high to put the IP101A LF into APS mode. This pin can be
directly connected to GND or VCC. Please refer to power down
modes description for more information. (An internal weak
pulled-up is used to enable APS mode as a default)
44
MII_SNIB
LI/O
(PU)
This pin is latched to input during a power on or reset condition.
Pull high to set the IP101A LF into MII mode operation. Set low
for SNI mode. This pin can be directly connected to GND or
VCC. (An internal weak pulled-up is used to set MII mode as a
default)
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