Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology
Datasheet
4.2.14
PHY Special Control/Status Register
Index (In Decimal): 31
Size:
16 bits
BITS
DESCRIPTION
TYPE
DEFAULT
15:13
12
RESERVED
Autodone
RO
RO
-
0b
Auto-negotiation done indication:
0 = Auto-negotiation is not done or disabled (or not active)
1 = Auto-negotiation is done
11:7
6
RESERVED
R/W
R/W
-
Enable 4B5B
0 = bypass encoder/decoder
1 = enable 4B5B encoding/decoding. MAC Interface must be configured in
MII mode.
1b
5
RESERVED
RO
RO
-
4:2
Speed Indication
HCDSPEED value:
XXX
001 = 10BASE-T half-duplex
101 = 10BASE-T full-duplex
010 = 100BASE-TX half-duplex
110 = 100BASE-TX full-duplex
1:0
RESERVED
RO
-
SMSC LAN8710A/LAN8710Ai
65
Revision 1.4 (08-23-12)
DATASHEET