LAN9311 Datasheet, PDF (85/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

CODE
GROUP
11110
01001
10100
10101
01010
01011
01110
01111
10010
10011
10110
10111
11010
11011
11100
11101
11111
11000
10001
01101
00111
00100
00110
11001
00000
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SYM
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
/I/
/J/
/K/
/T/
/R/
/H/
/V/
/V/
/V/
Table 7.2 4B/5B Code Table
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
IDLE
RECEIVER
INTERPRETATION
0000
DATA
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
First nibble of SSD, translated to “0101”
following IDLE, else MII Receive Error
(RXER)
Second nibble of SSD, translated to
“0101” following J, else MII Receive
Error (RXER)
First nibble of ESD, causes de-assertion
of CRS if followed by /R/, else assertion
of MII Receive Error (RXER)
Second nibble of ESD, causes de-
assertion of CRS if following /T/, else
assertion of MII Receive Error (RXER)
Transmit Error Symbol
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
TRANSMITTER
INTERPRETATION
0
0000
DATA
1
0001
2
0010
3
0011
4
0100
5
0101
6
0110
7
0111
8
1000
9
1001
A
1010
B
1011
C
1100
D
1101
E
1110
F
1111
Sent after /T/R/ until the MII Transmitter
Enable signal (TXEN) is received
Sent for rising MII Transmitter Enable
signal (TXEN)
Sent for rising MII Transmitter Enable
signal (TXEN)
Sent for falling MII Transmitter Enable
signal (TXEN)
Sent for falling MII Transmitter Enable
signal (TXEN)
Sent for rising MII Transmit Error (TXER)
INVALID
INVALID
INVALID
SMSC LAN9311/LAN9311i
85
DATASHEET
Revision 2.0 (02-14-13)