Datasheet

16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
Datasheet
Revision 2.9 (03-01-12) 126 SMSC LAN9220
DATASHEET
5.5.13 PHY Special Control/Status
Note 5.6 The default value of this bit is determined by the auto-negotiation process.
Index (In Decimal): 31 Size: 16-bits
BITS DESCRIPTION TYPE DEFAULT
15 - 13 Reserved RO 000b
12 Autodone. Auto-negotiation done indication:
0 = Auto-negotiation is not done or disabled (or not active)
1 = Auto-negotiation is done
RO 0b
11-5 Reserved. Write as 0000010b, ignore on Read. RW 0000010b
4-2 Speed Indication. HCDSPEED value:
[001]=10Mbps half-duplex
[101]=10Mbps full-duplex
[010]=100Base-TX half-duplex
[110]=100Base-TX full-duplex
RO See Note 5.6
1-0 Reserved. Write as 0; ignore on Read RO 00b