dp83846a National Semiconductor Corporation, dp83846a Datasheet - Page 19
dp83846a
Manufacturer Part Number
dp83846a
Description
Dsphyter ? Single 10/100 Ethernet Transceiver
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP83846A.pdf
(59 pages)
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DATA CODES
IDLE AND CONTROL CODES
INVALID CODES
Note 1: Control code-groups I, J, K, T and R in data fields will be mapped as invalid codes, together with RX_ER asserted.
Name
A
B
C
D
E
F
H
K
T
R
V
V
V
V
V
V
V
V
V
V
0
1
2
3
4
5
6
7
8
9
J
I
PCS 5B Code-group
Table 5. 4B5B Code-Group Encoding/Decoding
11110
01001
10100
10101
01010
01011
01110
01111
10010
10011
10110
10111
11010
11011
11100
11101
00100
11111
11000
10001
01101
00111
00000
00001
00010
00011
00101
00110
01000
01100
10000
11001
19
HALT code-group - Error code
Inter-Packet IDLE - 0000 (
First Start of Packet - 0101 (
Second Start of Packet - 0101 (
First End of Packet - 0000 (
Second End of Packet - 0000 (
MII 4B Nibble Code
Note 1)
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Note 1)
Note 1)
Note 1)
Note 1)
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