IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
MII register 5 of PHY0~4 (Each PHY has its own MII register 5 with different PHY address)
Copyright
2004, IC Plus Corp.
64/111
Mar 09, 2007
IP175C/IP175CH-DS-R14
PHY
Auto-Negotiation Link Partner Ability register
4~0
5.15
MII
ROM
R/W
Description
Default
RO Next Page
1 = Next Page ability is supported by link partner
0 = Next Page ability does not supported by link partner
RO Acknowledge
1 = Link partner has received the ability data word
0 = Not acknowledge
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.
RO Reserved by IEEE for future use, write as 0, read as 0.
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.
RO 100BASE-T4
1 = Link partner support 100BASE-T4
0 = Link partner does not support 100BASE-T4
RO 100BASE-TX full duplex
1 = Link partner support 100BASE-TX full duplex
0 = Link partner does not support 100BASE-TX full duplex
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.
RO 10BASE-T full duplex
1 = Link partner support 10BASE-T full duplex
0 = Link partner does not support 10BASE-T full duplex
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
RO Selector Field
Protocol selector of the link partner
0
4~0
5.14
0
4~0
5.13
0
4~0
4~0
5[12:11]
5.10
--
--
0
0
4~0
5.9
--
0
4~0
5.8
--
0
4~0
5.7
--
0
4~0
5.6
--
0
4~0
5.5
--
0
4~0
5[4:0]
--
5’b000
00