High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Datasheet
Table 5.35 Register 1 - Basic Status (continued)
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT
1.3
Auto-Negotiate
Ability
1 = able to perform auto-negotiation function
0 = unable to perform auto-negotiation function
RO
1
1.2
1.1
1.0
Link Status
1 = link is up,
RO/
LL
0
0
1
0 = link is down
Jabber Detect
1 = jabber condition detected
RO/
LH
0 = no jabber condition detected
Extended
1 = supports extended capabilities registers
RO
Capabilities
0 = does not support extended capabilities registers
Table 5.36 Register 2 - PHY Identifier 1
DESCRIPTION
ADDRESS
NAME
MODE DEFAULT
RW 0007h
2.15:0
PHY ID Number
Assigned to the 3rd through 18th bits of the
Organizationally Unique Identifier (OUI), respectively.
OUI=00800Fh
Table 5.37 Register 3 - PHY Identifier 2
DESCRIPTION
ADDRESS
NAME
MODE DEFAULT
th
th
3.15:10
3.9:4
PHY ID Number
Model Number
Revision Number
Assigned to the 19 through 24 bits of the OUI.
Six-bit manufacturer’s model number.
RW
RW
RW
30h
0Ah
1h
3.3:0
Four-bit manufacturer’s revision number.
Table 5.38 Register 4 - Auto Negotiation Advertisement
NAME DESCRIPTION
ADDRESS
MODE
DEFAULT
4.15
Next Page
1 = next page capable,
RO
0
0 = no next page ability
This Phy does not support next page ability.
4.14
4.13
Reserved
RO
RW
0
0
Remote Fault
1 = remote fault detected,
0 = no remote fault
4.12
Reserved
4.11:10
Pause Operation
00 = No PAUSE
R/W
RO
00
0
01 = Asymmetric PAUSE toward link partner
10 = Symmetric PAUSE
11 = Both Symmetric PAUSE and Asymmetric
PAUSE toward local device
4.9
100Base-T4
1 = T4 able,
0 = no T4 ability
This Phy does not support 100Base-T4.
SMSC LAN83C185
Rev. 0.6 (12-12-03)
DATA3S1HEET
SMSC [ SMSC CORPORATION ]
