WJLXT972MLC.A4-864115 Cortina Systems Inc, WJLXT972MLC.A4-864115 Datasheet - Page 39

• Manufacturer Part Number: WJLXT972MLC.A4-864115
• Description: TXRX ETH 10/100 SGL PORT 48-LQFP
• Manufacturer: Cortina Systems Inc

Specifications of WJLXT972MLC.A4-864115

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1008-1044

LXT972M PHY
Datasheet
302875, Revision 5.2
13 September 2007
Table 16
Cortina Systems
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
LXT972M 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 0 0
1 1 1 0 1
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 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