LAN9217 Datasheet, PDF (117/134 Pages) SMSC Corporation – 16-bit High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX

16-bit High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX
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 5.4
RO
00b
Note 5.4 See Table 2.2, “Default Ethernet Settings,” on page 15, for default settings.
SMSC LAN9217
117
DATASHEET
Revision 1.5 (07-18-06)