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IP175A LF
Preliminary Data Sheet
36/60
February 20, 2006
Copyright © 2004, IC Plus Corp.
IP175A LF-DS-R08
MII
ROM
Function
R/W
Description
Default
MII register 1DH (29D)
1D[15:12
]
--
RO
Reserved
0
1D.11
--
Reserved
RO
1
1D.10
--
jab_on
R/W
Jabber enabled.
1: jabber function enabled
0: jabber function disabled
0
1D.9
--
heartbt_en,
R/W
Heartbeat enabled.
1: heartbeat function enabled
0: heartbeat function disabled
0
1D.8
--
reptr_en
R/W
Select NIC or repeater mode.
1: repeater mode
0: NIC mode
1
1D.7
--
lp_nway_able
RO
Link partner is auto-negotiation able.
1: link partner supports auto-negotiation
0: link partner doesn’t support auto-negotiation
0
1D.6
--
polrev
RO
Analog transmit/receive signal polarity
1: RX+- polarity reversed
0: RX+- polarity not reversed
0
1D.5
--
phyaddr_fix
R/W
PHY address fix or not.
1: MII registers can be accessed only if the PHY
address filed in management frame matches the
content of MII register 29[4:0].
0: MII registers can be accessed in spite of the PHY
address.
0
1D[4:0]
--
phyaddr
R/W
Define PHY address
5’b0