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DM9161B
10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver
17 Final
Version: DM9161B-12-DS-F01
January 31, 2008
7.2.1.7 4B5B Code Group
Symbol Meaning 4B code
3210
5B Code
43210
0 Data 0 0000 11110
1 Data 1 0001 01001
2 Data 2 0010 10100
3 Data 3 0011 10101
4 Data 4 0100 01010
5 Data 5 0101 01011
6 Data 6 0110 01110
7 Data 7 0111 01111
8 Data 8 1000 10010
9 Data 9 1001 10011
A Data A 1010 10110
B Data B 1011 10111
C Data C 1100 11010
D Data D 1101 11011
E Data E 1110 11100
F Data F 1111 11101
I Idle undefined 11111
J SFD (1) 0101 11000
K SFD (2) 0101 10001
T ESD (1) undefined 01101
R ESD (2) undefined 00111
H Error undefined 00100
V Invalid undefined 00000
V Invalid undefined 00001
V Invalid undefined 00010
V Invalid undefined 00011
V Invalid undefined 00101
V Invalid undefined 00110
V Invalid undefined 01000
V Invalid undefined 01100
V Invalid undefined 10000
V Invalid undefined 11001
Table 7-1