LAN8810I-AKZE Datasheet, PDF (67/100 Pages) Microchip Technology – GMII 10/100/1000 Ethernet Transceiver with HP Auto-MDIX Support

4.2.22
GMII 10/100/1000 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
PHY Special Control / Status Register
Index (In Decimal): 31
Size:
16 bits
BITS
DESCRIPTION
15:13
12
11:5
4:2
1:0
RESERVED
Auto-negotiation done indication
0 = Auto-negotiation is not done or disabled (or not active)
1 = Auto-negotiation is done
Note: This is a duplicate of register 1.5, however reads to register 31 do
not clear status bits.
RESERVED
Speed Indication
HCDSPEED value:
[001]=10Mbps Half-duplex
[101]=10Mbps Full-duplex
[010]=100BASE-TX Half-duplex
[110]=100BASE-TX Full-duplex
RESERVED
TYPE
RO
RO
RO
RO
RO
Note 4.9 Set according to the results of Auto-Negotiation.
DEFAULT
-
0b
-
Note 4.9
-
SMSC LAN8810/LAN8810i
67
DATASHEET
Revision 1.0 (02-06-13)