Datasheet

2016 Microchip Technology Inc. DS00002164B-page 53
LAN8710A/LAN8710AI
4.2.14 PHY SPECIAL CONTROL/STATUS REGISTER
Index (In Decimal): 31 Size: 16 bits
Bits Description Type Default
15:13 RESERVED RO
12 Autodone
Auto-negotiation done indication:
0 = Auto-negotiation is not done or disabled (or not active)
1 = Auto-negotiation is done
RO 0b
11:7 RESERVED R/W
6 Enable 4B5B
0 = bypass encoder/decoder
1 = enable 4B5B encoding/decoding. MAC Interface must be configured in
MII
mode.
R/W 1b
5 RESERVED RO
4:2 Speed Indication
HCDSPEED value:
001 = 10BASE-T half-duplex
101 = 10BASE-T full-duplex
010 = 100BASE-TX half-duplex
110 = 100BASE-TX full-duplex
RO XXX
1:0 RESERVED RO