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IXF1104 4-Port Gigabit Ethernet Media Access Controller
Datasheet 186
Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
8
100BASE-TX
Full-Duplex
0 = Link partner is not 100BASE-TX, full-duplex
mode capable
1 = Link partner is 100BASE-TX, full-duplex
mode capable
RO 1
7
100BASE-TX
Half-Duplex
0 = Link partner is not 100BASE-TX, half-duplex
mode capable
1 = Link partner is 100BASE-TX, half-duplex
mode capable
RO 1
6
10BASE-T
Full-Duplex
0 = Link partner is not 10BASE-T, full-duplex
mode capable
1 = Link partner is 10BASE-T, full-duplex mode
capable
RO 1
5
10BASE-T
Half-Duplex
0 = Link partner is not 10BASE-T, half-duplex
mode capable
1 = Link partner is 10BASE-T, half-duplex mode
capable
RO 1
4:0 Selector Field, S[4:0]
00001 =IEEE 802.3
00010 =IEEE 802.9 ISLAN-16T
00000 =Reserved for future auto-negotiation
development
11111 =Reserved for future auto-negotiation
development
Unspecified or reserved combinations should not
be transmitted
Setting this field to a value other than 00001 will
most likely cause auto-negotiation to fail
RO 00001
Table 101. Auto-Negotiation Expansion ($ Port Index + 0x66) (Sheet 1 of 2)
Bit Name Description Type
1
Default
0x0000000
31:6 Reserved Reserved RO 0
5 Base Page
This register bit indicates the status of the auto-
negotiation variable, base page. It flags
synchronization with the auto-negotiation state
diagram allowing detection of interrupted links.
This register bit is only used if Register bit 16.1
(alternate Next Page feature) is set.
0 = base_page = false
1 = base_page = true
RO 0
4
Parallel Detection
Fault
0 = Parallel detection fault has not occurred
1 = Parallel detection fault has occurred
RO 0
3
Link Partner Next Page
Able
0 = Link partner is not Next Page able
1 = Link partner is Next Page able
RO 0
1. RO = Read Only; RR = Clear on Read; W = Write; R/W = Read/Write
Table 100. Auto-Negotiation Link Partner Base Page Ability ($ Port Index + 0x65) (Sheet 2 of 2)
Bit Name Description Type
1
Default
1. RO = Read Only; RR = Clear on Read; W = Write; R/W = Read/Write