Specifications

VSBC-6862 Rev 1.43
72
PHY register address 1: Status Register
Bit NAME DESCRIPTION R/W DEFAULT
15 100BASE-T4 1 = 100BASE-T4 capability
0 = no 100BASE-T4 capability
RO 0
14 100BASE-TX full duplex 1 = full duplex 100BASE-TX capability
0 = No full duplex 100BASE-TX capability
RO 1
13 100BASE-TX half duplex 1 = half duplex 100BASE-TX capability
0 = no half duplex 100BASE-TX
capability
RO 1
12 10Mb/s full duplex 1 = full duplex 10Mb/s capability
0 = No full duplex 10Mb/s capability
RO 1
11 10BASE-T half duplex 1 = 10BASE-T (half duplex) capability
0 = No 10BASE-T (half duplex) capability
RO 1
10 100Base-T2 full duplex 1 = full duplex 100BASE-T2 capability
0 = No full duplex 100BASE-T2 capability
RO 0
9 100Base-T2 half duplex 1 = half duplex 100BASE-T2 capability
0 = No half duplex 100BASE-T2
capability
RO 0
8 :7 Reserved Reserved RO 0
6 MF Preambule
suppression
1 = accept management frames with
short preamble
0 = normal preamble only
RO 0
5 Auto negotiation compl. 1 = auto negotiation process complete
0 = auto negotiation not complete
RO 0
4 Remote fault 1 = Remote fault condition detected
0 = No Remote fault condition detected
RO
LH
0
3 Auto negotiation ability 1 = auto negotiation capability available
0 = auto negotiation capability not
available
RO 1
2 Link status 1 = link is up
0 = link is down
RO
LL
0
1 Jabber detect 1 = Jabber condition detected
0 = Normal operation
RO 0
0 Extended capability 1 = extended register capabilities
0 = basic register set only registers)
RO 1
PHY register address 2: Identifier Register #1
Bit NAME DESCRIPTION R/W DEFAULT
15:0 OUI SMSC OUI bits RO $xxxx
PHY register address 3: Identifier Register #2
Bit NAME DESCRIPTION R/W DEFAULT
15:0 OUI/Device ID next SMSC OUI bits and device code RO $xxxx
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