參數(shù)資料
型號: DP83848YB-EVK/NOPB
廠商: National Semiconductor
文件頁數(shù): 19/86頁
文件大小: 0K
描述: EVAL BOARD PHYTER EXTREME TEMP
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,以太網(wǎng)
已用 IC / 零件: DP83848YB
已供物品:
25
www.national.com
DP
83
84
8
Y
B
Table 6. 4B5B Code-Group Encoding/Decoding
DATA CODES
0
11110
0000
1
01001
0001
2
10100
0010
3
10101
0011
4
01010
0100
5
01011
0101
6
01110
0110
7
01111
0111
8
10010
1000
9
10011
1001
A
10110
1010
B
10111
1011
C
11010
1100
D
11011
1101
E
11100
1110
F
11101
1111
IDLE AND CONTROL CODES
H
00100
HALT code-group - Error code
I
11111
Inter-Packet IDLE - 0000 (Note 1)
J
11000
First Start of Packet - 0101 (Note 1)
K
10001
Second Start of Packet - 0101 (Note 1)
T
01101
First End of Packet - 0000 (Note 1)
R
00111
Second End of Packet - 0000 (Note 1)
INVALID CODES
V
00000
V
00001
V
00010
V
00011
V
00101
V
00110
V
01000
V
01100
Note: Control code-groups I, J, K, T and R in data fields will be mapped as invalid codes, together with RX_ER as-
serted.
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