參數(shù)資料
型號(hào): WJLXT972MLC.A4SE001
廠商: CORTINA SYSTEMS INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP48
封裝: LEAD FREE, LQFP-48
文件頁(yè)數(shù): 44/94頁(yè)
文件大小: 1235K
代理商: WJLXT972MLC.A4SE001
Intel
LXT972M Single-Port 10/100 Mbps PHY Transceiver
49
Document Number: 302875-004
Revision Date: February 18, 2005
CONTROL
0 1 0 1
J 2
1 1 0 0 0
Start-of-Stream Delimiter (SSD),
part 1 of 2
0 1 0 1
K 2
1 0 0 0 1
Start-of-Stream Delimiter (SSD),
part 2 of 2
Undefined
T 3
0 1 1 0 1
End-of-Stream Delimiter (ESD),
part 1 of 2
Undefined
R 3
0 0 1 1 1
End-of-Stream Delimiter (ESD),
part 2 of 2
INVALID
Undefined
H 4
0 0 1 0 0
Transmit Error. Used to force signaling
errors
Undefined
Invalid
0 0 0 0 0
Invalid
Undefined
Invalid
0 0 0 0 1
Invalid
Undefined
Invalid
0 0 0 1 0
Invalid
Undefined
Invalid
0 0 0 1 1
Invalid
Undefined
Invalid
0 0 1 0 1
Invalid
Undefined
Invalid
0 0 1 1 0
Invalid
Undefined
Invalid
0 1 0 0 0
Invalid
Undefined
Invalid
0 1 1 0 0
Invalid
Undefined
Invalid
1 0 0 0 0
Invalid
Undefined
Invalid
1 1 0 0 1
Invalid
Table 15. 4B/5B Coding (Sheet 2 of 2)
Code Type
4B Code
3 2 1 0
Name
5B Code
4 3 2 1 0
Interpretation
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.
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