參數(shù)資料
型號: LXT970A
廠商: Intel Corp.
英文描述: Dual-Speed Fast Ethernet Transceiver
中文描述: 雙速度快速以太網(wǎng)收發(fā)器
文件頁數(shù): 34/74頁
文件大?。?/td> 1061K
代理商: LXT970A
LXT970A
Dual-Speed Fast Ethernet Transceiver
34
Datasheet
Table 17. 4B/5B Coding
Code Type
4B Code
3 2 1 0
Name
5B Symbol
4 3 2 1 0
Interpretation
0 0 0 0
0
1 1 1 1 0
Data 0
0 0 0 1
1
0 1 0 0 1
Data 1
0 0 1 0
2
1 0 1 0 0
Data 2
0 0 1 1
3
1 0 1 0 1
Data 3
0 1 0 0
4
0 1 0 1 0
Data 4
0 1 0 1
5
0 1 0 1 1
Data 5
0 1 1 0
6
0 1 1 1 0
Data 6
DATA
0 1 1 1
7
0 1 1 1 1
Data 7
1 0 0 0
8
1 0 0 1 0
Data 8
1 0 0 1
9
1 0 0 1 1
Data 9
1 0 1 0
A
1 0 1 1 0
Data A
1 0 1 1
B
1 0 1 1 1
Data B
1 1 0 0
C
1 1 0 1 0
Data C
1 1 0 1
D
1 1 0 1 1
Data D
1 1 1 0
E
1 1 1 0 0
Data E
1 1 1 1
F
1 1 1 0 1
Data F
IDLE
undefined
I
1
1 1 1 1 1
Idle. Used as inter-stream fill code
0 1 0 1
J
2
1 1 0 0 0
Start-of-Stream Delimiter (SSD), part 1 of 2
CONTROL
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
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
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
1. The /I/ (Idle) code-group is sent continuously between frames.
2. The /J/ and /K/ (SSD) code-groups are always sent in pairs; /K/ follows /J/.
3. The /T/ and /R/ (ESD) code-groups are always sent in pairs; /R/ follows /T/.
4. An /H/ (Error) code-group is used to signal an error condition.
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