Datasheet
KSZ9031RNX
DS00002117F-page 36 2016-2017 Microchip Technology Inc.
5.11:10 Pause [5.11, 5.10]
[0,0] = No pause
[1,0] = Asymmetric Pause (link partner)
[0,1] = Symmetric pause
[1,1] = Symmetric and asymmetric pause (local
device)
RW 00
5.9 100BASE-T4 1 = T4 capable
0 = No T4 capability
RO 0
5.8 100BASE-TX
Full-Duplex
1 = 100 Mbps full-duplex capable
0 = No 100 Mbps full-duplex capability
RO 0
5.7 100BASE-TX
Half-Duplex
1 = 100 Mbps half-duplex capable
0 = No 100 Mbps half-duplex capability
RO 0
5.6 10BASE-T
Full-Duplex
1 = 10 Mbps full-duplex capable
0 = No 10 Mbps full-duplex capability
RO 0
5.5 10BASE-T
Half-Duplex
1 = 10 Mbps half-duplex capable
0 = No 10 Mbps half-duplex capability
RO 0
5.4:0 Selector
Field
[00001] = IEEE 802.3 RO 0_0000
Register 6h - Auto-Negotiation Expansion
6.15:5 Reserved Reserved RO 0000_0000_000
6.4 Parallel
Detection
Fault
1 = Fault detected by parallel detection
0 = No fault detected by parallel detection
RO/LH 0
6.3 Link Partner
Next Page
Able
1 = Link partner has next page capability
0 = Link partner does not have next page capability
RO 0
6.2 Next Page
Able
1 = Local device has next page capability
0 = Local device does not have next page capabil-
ity
RO 1
6.1 Page
Received
1 = New page received
0 = New page not received
RO/LH 0
6.0 Link Partner
Auto-Negoti-
ation Able
1 = Link partner has auto-negotiation capability
0 = Link partner does not have auto-negotiation
capability
RO 0
Register 7h - Auto-Negotiation Next Page
7.15 Next Page 1 = Additional next pages will follow
0 = Last page
RW 0
7.14 Reserved Reserved RO 0
7.13 Message
Page
1 = Message page
0 = Unformatted page
RW 1
7.12 Acknowl-
edge2
1 = Will comply with message
0 = Cannot comply with message
RW 0
7.11 Toggle 1 = Previous value of the transmitted link code
word equaled logic one
0 = Logic zero
RO 0
7.10:0 Message
Field
11-bit wide field to encode 2048 messages RW 000_0000_0001
Register 8h - Link Partner Next Page Ability
TABLE 4-3: IEEE-DEFINED REGISTER DESCRIPTIONS (CONTINUED)
Address Name Description
Mode
Note 4-1
Default