Datasheet

2013-2015 Microchip Technology Inc. DS00001987A-page 65
LAN8740A/LAN8740Ai
4.2.6 AUTO NEGOTIATION LINK PARTNER ABILITY REGISTER
Index (In Decimal): 5 Size: 16 bits
Bits Description Type Default
15 Next Page
0 = No next page ability
1 = Next page capable
RO 0b
14 Acknowledge
0 = Link code word not yet received
1 = Link code word received from partner
RO 0b
13 Remote Fault
0 = No remote fault
1 = Remote fault detected
RO 0b
12 RESERVED RO -
11:10 Pause Operation
00 = No PAUSE supported by partner station
01 = Symmetric PAUSE supported by partner station
10 = Asymmetric PAUSE supported by partner station
11 = Both Symmetric PAUSE and Asymmetric PAUSE supported by partner
station
RO 00b
9 100BASE-T4
0 = No T4 ability
1 = T4 able
Note: This device does not support T4 ability.
RO 0b
8 100BASE-TX Full Duplex
0 = No TX full duplex ability
1 = TX with full duplex
RO 0b
7 100BASE-TX
0 = No TX ability
1 = TX able
RO 0b
6 10BASE-T Full Duplex
0 = No 10 Mbps with full duplex ability
1 = 10 Mbps with full duplex
RO 0b
5 10BASE-T
0 = No 10 Mbps ability
1 = 10 Mbps able
RO 0b
4:0 Selector Field
00001 = IEEE 802.3
RO 00001b