SMSC LAN9420 - Manual (Page 137)

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i 137 Revision 1.22 (09-25-08)
DATASHEET
4.5.2 Basic Status Register
Index (In Decimal): 1 Size: 16 bits
BITS DESCRIPTION TYPE DEFAULT
15 100BASE-T4
1 = T4 able, 0 = no T4 ability RO 0b
14 100BASE-TX Full Duplex
1 = TX with full duplex, 0 = no TX full duplex ability. RO 1b
13 100BASE-TX Half Duplex
1 = TX with half duplex, 0 = no TX half duplex ability. RO 1b
12 10BASE-T Full Duplex
1 = 10Mbps with full duplex 0 = no 10Mbps with full duplex ability RO 1b
11 10BASE-T Half Duplex
1 = 10Mbps with half duplex 0 = no 10Mbps with half duplex ability RO 1b
10:6 RESERVED RO -
5 Auto-Negotiate Complete
1 = auto-negotiate process completed 0 = auto-negotiate process not
completed RO 0b
4 Remote Fault
1 = remote fault condition detected 0 = no remote fault RO/LH 0b
3 Auto-Negotiate Ability
1 = able to perform auto-negotiation function 0 = unable to perform auto-
negotiation function RO 1b
2 Link Status
1 = link is up, 0 = link is down RO/LL 0b
1 Jabber Detect
1 = jabber condition detected 0 = no jabber condition detected RO/LH 0b
0 Extended Capabilities
1 = supports extended capabilities registers 0 = does not support extended
capabilities registers. RO 1b