WJLXT972ALC.A4-857345 Cortina Systems Inc, WJLXT972ALC.A4-857345 Datasheet - Page 39
![no-image](/images/manufacturer_photos/0/1/162/cortina_systems_inc_sml.jpg)
WJLXT972ALC.A4-857345
Manufacturer Part Number
WJLXT972ALC.A4-857345
Description
TXRX ETH 10/100 SGL PORT 64-LQFP
Manufacturer
Cortina Systems Inc
Specifications of WJLXT972ALC.A4-857345
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
1008-1043-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
WJLXT972ALC.A4-857345
Manufacturer:
Cortina
Quantity:
2 456
Company:
Part Number:
WJLXT972ALC.A4-857345
Manufacturer:
Cortina Systems Inc
Quantity:
10 000
LXT972A PHY
Datasheet
249186, Revision 5.2
13 September 2007
Table 15
Cortina Systems
In the receive direction, the PCS layer performs the opposite function, substituting two
preamble nibbles for the SSD. In 100 Mbps operation, preamble is always passed through
the PCS layer to the MII interface.
4B/5B Coding (Sheet 1 of 2)
®
1. The /I/ (Idle) code group is sent continuously between frames.
2. The /J/ and /K/ (SSD) code groups are always sent in pairs, and /K/ follows /J/.
3. The /T/ and /R/ (ESD) code groups are always sent in pairs, and /R/ follows /T/.
4. An /H/ (Error) code group is used to signal an error condition.
Code Type
CONTROL
LXT972A Single-Port 10/100 Mbps PHY Transceiver
DATA
IDLE
Undefined
Undefined
undefined
4B Code
3 2 1 0
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
0 1 0 1
0 1 0 1
Name
R
K
T
J
I
C
D
0
1
2
3
4
5
6
7
8
9
A
B
E
F
1
2
2
3
3
4 3 2 1 0
5B Code
1 1 1 1 0
0 1 0 0 1
1 0 1 0 0
1 0 1 0 1
0 1 0 1 0
0 1 0 1 1
0 1 1 1 0
0 1 1 1 1
1 0 0 1 0
1 0 0 1 1
1 0 1 1 0
1 0 1 1 1
1 1 0 1 0
1 1 0 1 1
1 1 1 0 0
1 1 1 0 1
1 1 0 0 0
1 0 0 0 1
0 1 1 0 1
0 0 1 1 1
1 1 1 11
Used as inter-stream fill code
Start-of-Stream Delimiter (SSD),
part 1 of 2
Start-of-Stream Delimiter (SSD),
part 2 of 2
End-of-Stream Delimiter (ESD),
part 1 of 2
End-of-Stream Delimiter (ESD),
part 2 of 2
Interpretation
5.7 100 Mbps Operation
Data C
Data D
Data A
Data B
Data E
Data F
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8
Data 9
Page 39