LAN9215_12 Datasheet, PDF (121/144 Pages) SMSC Corporation – 16-bit Non-PCI 10/100 Ethernet Controller with HP Auto-MDIX Support

16-bit Non-PCI 10/100 Ethernet Controller with HP Auto-MDIX Support
Datasheet
5.5.13 PHY Special Control/Status
Index (In Decimal):
31
Size:
16-bits
BITS
DESCRIPTION
15 - 13 Reserved
12 Autodone. Auto-negotiation done indication:
0 = Auto-negotiation is not done or disabled (or not active)
1 = Auto-negotiation is done
11-5 Reserved. Write as 0000010b, ignore on Read.
4-2 Speed Indication. HCDSPEED value:
[001]=10Mbps half-duplex
[101]=10Mbps full-duplex
[010]=100Base-TX half-duplex
[110]=100Base-TX full-duplex
1-0 Reserved. Write as 0; ignore on Read
TYPE
RO
RO
DEFAULT
000b
0b
RW
0000010b
RO See Note 5.7
RO
00b
Note 5.7 See Table 2.2, “Default Ethernet Settings,” on page 17, for default settings.
SMSC LAN9215
121
DATASHEET
Revision 2.9 (03-01-12)