
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
Datasheet
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
203
Table 85. PHY Identification Register 1 (Address 2)
Bit
Name
Description
Type
1
Default
15:0
PHY ID Number
The PHY identifier composed of bits 3 through 18 of the
OUI
R
0013 hex
1. R = Read Only
Table 86. PHY Identification Register 2 (Address 3)
Bit
Name
Description
Type
1
Default
15:10
PHY ID Number
The PHY identifier composed of bits 19 through 24 of
the OUI
R
011110
9:4
Manufacturer’s
Model Number
6 bits containing manufacturer’s part number
R
001111
3:1
Manufacturer’s
Revision
Number
3 bits containing manufacturer’s revision number
R
XXX
2
0
Model Variant
0 = LXT9785
1 = LXT9785/LXT9785E
R
X
2
1. R = Read Only
2. Refer to the Identification Information section in the Intel
LXT9785/LXT9785E Specification Update.
Figure 63. PHY Identifier Bit Mapping
a
b
c
1
2
3
Organizationally Unique Identifier
r
s
18 19
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
15
0
1
PHY ID Register #1 (Address 2)
x
24
0
1
1
1
1
0
9
4
3
15
0
X
PHY ID Register #2 (Address 3)
10
0
I/G
5
0
Manufacturer's
Model Number
3
0
0
0
0
1
3
0
0
0
2
B
7
X
X
X
X
X
X
X
X
X
7B
20
00
The Intel OUI is 00207B hex.
Model
Variant
1
Revision
Number