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LAN8742Ai-CZ Datasheet(PDF) 17 Page - Microchip Technology

Part # LAN8742Ai-CZ
Description  Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR짰 Technology
PDF  124 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8742Ai-CZ Datasheet(HTML) 17 Page - Microchip Technology

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 2013-2015 Microchip Technology Inc.
DS00001989A-page 17
LAN8742A/LAN8742Ai
TABLE 3-1:
4B/5B CODE TABLE
Code Group
Sym
Receiver Interpretation
Transmitter Interpretation
11110
0
0
0000
DATA
0
0000
DATA
01001
1
1
0001
1
0001
10100
2
2
0010
2
0010
10101
3
3
0011
3
0011
01010
4
4
0100
4
0100
01011
5
5
0101
5
0101
01110
6
6
0110
6
0110
01111
7
7
0111
7
0111
10010
8
8
1000
8
1000
10011
9
9
1001
9
1001
10110
A
A
1010
A
1010
10111
B
B
1011
B
1011
11010
C
C
1100
C
1100
11011
D
D
1101
D
1101
11100
E
E
1110
E
1110
11101
F
F
1111
F
1111
11111
I
IDLE
Sent after /T/R until TXEN
11000
J
First nibble of SSD, translated to “0101”
following IDLE, else RXER
Sent for rising TXEN
10001
K
Second nibble of SSD, translated to
“0101” following J, else RXER
Sent for rising TXEN
01101
T
First nibble of ESD, causes de-assertion of
CRS if followed by /R/, else assertion of
RXER
Sent for falling TXEN
00111
R
Second nibble of ESD, causes deasser-
tion of CRS if following /T/, else assertion
of RXER
Sent for falling TXEN
00100
H
Transmit Error Symbol
Sent for rising TXER
00110
V
INVALID, RXER if during RXDV
INVALID
11001
V
INVALID, RXER if during RXDV
INVALID
00000
V
INVALID, RXER if during RXDV
INVALID
00001
V
INVALID, RXER if during RXDV
INVALID
00010
V
INVALID, RXER if during RXDV
INVALID
00011
V
INVALID, RXER if during RXDV
INVALID
00101
V
INVALID, RXER if during RXDV
INVALID
01000
V
INVALID, RXER if during RXDV
INVALID
01100
V
INVALID, RXER if during RXDV
INVALID
10000
V
INVALID, RXER if during RXDV
INVALID



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