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LAN9312 Datasheet(PDF) 85 Page - SMSC Corporation

Part # LAN9312
Description  High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
PDF  458 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9312 Datasheet(HTML) 85 Page - SMSC Corporation

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
85
Revision 1.2 (04-08-08)
DATASHEET
Table 7.2 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 the MII Transmitter
Enable signal (TXEN) is received
11000
/J/
First nibble of SSD, translated to “0101”
following IDLE, else MII Receive Error
(RXER)
Sent for rising MII Transmitter Enable
signal (TXEN)
10001
/K/
Second nibble of SSD, translated to
“0101” following J, else MII Receive
Error (RXER)
Sent for rising MII Transmitter Enable
signal (TXEN)
01101
/T/
First nibble of ESD, causes de-assertion
of CRS if followed by /R/, else assertion
of MII Receive Error (RXER)
Sent for falling MII Transmitter Enable
signal (TXEN)
00111
/R/
Second nibble of ESD, causes de-
assertion of CRS if following /T/, else
assertion of MII Receive Error (RXER)
Sent for falling MII Transmitter Enable
signal (TXEN)
00100
/H/
Transmit Error Symbol
Sent for rising MII Transmit Error (TXER)
00110
/V/
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
INVALID
11001
/V/
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
INVALID
00000
/V/
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
INVALID
00001
/V/
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
INVALID



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