LAN9313 Datasheet, PDF (87/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
CODE
GROUP
11110
01001
10100
10101
01010
01011
01110
01111
10010
10011
10110
10111
11010
11011
11100
11101
11111
11000
SYM
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
/I/
/J/
10001
/K/
01101
/T/
00111
/R/
00100
/H/
00110
/V/
11001
/V/
00000
/V/
00001
/V/
SMSC LAN9313/LAN9313i
Table 7.2 4B/5B Code Table
RECEIVER
INTERPRETATION
TRANSMITTER
INTERPRETATION
0
0000
DATA
0
0000
DATA
1
0001
1
0001
2
0010
2
0010
3
0011
4
0100
5
0101
6
0110
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
7
0111
8
1000
9
1001
A
1010
B
1011
C
1100
D
1101
E
1110
F
1111
IDLE
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)
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
INVALID, MII Receive Error (RXER) if
during MII Receive Data Valid (RXDV)
INVALID
87
DATASHEET
Revision 1.2 (04-08-08)