Datasheet

KSZ8081MNX/RNB
DS00002202C-page 38  2016-2018 Microchip Technology Inc.
4.8
100BASE-TX
Full-Duplex
1 = 100 Mbps full-duplex capable
0 = No 100 Mbps full-duplex 
capability
RW
Set by the SPEED strapping pin.
See the Strap-In Options –
KSZ8081MNX section for details.
4.7
100BASE-TX
Half-Duplex
1 = 100 Mbps half-duplex capable
0 = No 100 Mbps half-duplex 
capability
RW
Set by the SPEED strapping pin.
See the Strap-In Options –
KSZ8081MNX section for details.
4.6
10BASE-T
Full-Duplex
1 = 10 Mbps full-duplex capable
0 = No 10 Mbps full-duplex capability
RW 1
4.5
10BASE-T
Half-Duplex
1 = 10 Mbps half-duplex capable
0 = No 10 Mbps half-duplex 
capability
RW 1
4.4:0 Selector Field [00001] = IEEE 802.3 RW 0_0001
Register 5h – Auto-Negotiation Link Partner Ability
5.15 Next Page
1 = Next page capable
0 = No next page capability
RO 0
5.14 Acknowledge
1 = Link code word received from
partner
0 = Link code word not yet received
RO 0
5.13 Remote Fault
1 = Remote fault detected
0 = No remote fault
RO 0
5.12 Reserved Reserved RO 0
5.11:10 Pause
[00] = No pause
[10] = Asymmetric pause
[01] = Symmetric pause
[11] = Asymmetric and symmetric
pause
RO 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 Detec-
tion 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
TABLE 4-2: REGISTER DESCRIPTION (CONTINUED)
Address Name Description Mode Default