Highly Efficient Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX and Industrial Temperature Support
Datasheet
5.5.13
PHY Special Control/Status
Index (In Decimal):
31
Size:
16-bits
BITS
DESCRIPTION
TYPE
RO
DEFAULT
000b
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
RO
0b
11-5
4-2
Reserved. Write as 0000010b, ignore on Read.
RW
RO
0000010b
Speed Indication. HCDSPEED value:
[001]=10Mbps half-duplex
[101]=10Mbps full-duplex
[010]=100Base-TX half-duplex
[110]=100Base-TX full-duplex
See
Note 5.4
1-0
Reserved. Write as 0; ignore on Read
RO
00b
Note 5.4 See Table 2.2, “Default Ethernet Settings,” on page 15, for default settings.
SMSC LAN9215I
117
Revision 1.5 (07-18-06)
DATASHEET