Table 5.23 register 2 - phy identifier 1, Table 5.24 register 3 - phy identifier 2, Datasheet – SMSC FlexPWR LAN8720 User Manual
Page 42
Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
Revision 1.0 (05-28-09)
42
SMSC LAN8720/LAN8720i
DATASHEET
1.4
Remote Fault
1 = remote fault condition detected
0 = no remote fault
RO/
LH
0
1.3
Auto-Negotiate
Ability
1 = able to perform auto-negotiation function
0 = unable to perform auto-negotiation function
RO
1
1.2
Link Status
1 = link is up,
0 = link is down
RO/
LL
X
1.1
Jabber Detect
1 = jabber condition detected
0 = no jabber condition detected
RO/
LH
X
1.0
Extended
Capabilities
1 = supports extended capabilities registers
0 = does not support extended capabilities registers
RO
1
Table 5.23 Register 2 - PHY Identifier 1
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT
2.15:0
PHY ID Number
Assigned to the 3rd through 18th bits of the
Organizationally Unique Identifier (OUI), respectively.
OUI=00800Fh
RW
0007h
Table 5.24 Register 3 - PHY Identifier 2
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT
3.15:10
PHY ID Number
Assigned to the 19
th
through 24
th
bits of the OUI.
RW
30h
3.9:4
Model Number
Six-bit manufacturer’s model number.
RW
0Fh
3.3:0
Revision Number
Four-bit manufacturer’s revision number.
RW
DEVICE
REV
Table 5.25 Register 4 - Auto Negotiation Advertisement
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT
4.15
Next Page
1 = next page capable,
0 = no next page ability
This Phy does not support next page ability.
RO
0
4.14
Reserved
RO
0
4.13
Remote Fault
1 = remote fault detected,
0 = no remote fault
RW
0
4.12
Reserved
4.11:10
Pause Operation
00 = No PAUSE
01= Symmetric PAUSE
10= Asymmetric PAUSE toward link partner
11 = Both Symmetric PAUSE and Asymmetric
PAUSE toward local device
R/W
00
Table 5.22 Register 1 - Basic Status (continued)
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT