IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
64/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
MII register 5 of PHY0~4 (Each PHY has its own MII register 5 with different PHY address)
PHY
MII
ROM
R/W
Description
Default
Auto-Negotiation Link Partner Ability register
4~0
5.15
RO
Next Page
1 = Next Page ability is supported by link partner
0 = Next Page ability does not supported by link partner
0
4~0
5.14
RO
Acknowledge
1 = Link partner has received the ability data word
0 = Not acknowledge
0
4~0
5.13
RO
Remote Fault
1 = Link partner indicates a remote fault
0 = No remote fault indicate by link partner
If this bit is set to logic 1, then bit 1.4 (Remote fault) will set to
logic 1.
0
4~0
5[12:11]
--
RO
Reserved by IEEE for future use, write as 0, read as 0.
0
4~0
5.10
--
RW Pause
1 = Link partner support IEEE802.3x
0 = Link partner does not support IEEE802.3x
When Nway enabled, this bit reflects link partner ability. (read
only)
When Nway disabled, this bit can be set by SMI. (read/write)
When in 100FX, this bit is set by X_EN or SMI.
0
4~0
5.9
--
RO
100BASE-T4
1 = Link partner support 100BASE-T4
0 = Link partner does not support 100BASE-T4
0
4~0
5.8
--
RO
100BASE-TX full duplex
1 = Link partner support 100BASE-TX full duplex
0 = Link partner does not support 100BASE-TX full duplex
0
4~0
5.7
--
RO
100BASE-TX
1 = Link partner support 100BASE-TX
0 = Link partner does not support 100BASE-TX
For 100FX mode, this bit is set. When Nway is disabled, this bit
is set if register 0.13=1.
0
4~0
5.6
--
RO
10BASE-T full duplex
1 = Link partner support 10BASE-T full duplex
0 = Link partner does not support 10BASE-T full duplex
0
4~0
5.5
--
RO
10BASE-T
1 = Link partner support 10BASE-T
0 = Link partner does not support 10BASE-T
When Nway is disabled, this bit is set if register 0.13=0
0
4~0
5[4:0]
--
RO
Selector Field
Protocol selector of the link partner
5’b000
00
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