lan9220 Standard Microsystems Corp., lan9220 Datasheet - Page 68

• Manufacturer Part Number: lan9220
• Description: 16-bit Non-pci Small Form Factor 10/100 Ethernet Controller With Variable Voltage I/o & Hp Auto-mdix Support
• Manufacturer: Standard Microsystems Corp.

Revision 2.6 (12-04-08)
GROUP
CODE
01001
10100
10101
01010
01011
10010
10011
10110
11010
11000
10001
01101
00100
00110
11001
00000
00001
00010
00011
00101
11110
01110
01111
10111
11011
11100
11101
00111
11111
SYM
C
D
R
H
0
1
2
3
4
5
6
7
8
9
A
B
E
F
K
T
V
V
V
V
V
V
V
J
I
IDLE
First nibble of SSD, translated to “0101”
following IDLE, else RX_ER
Second nibble of SSD, translated to
“0101” following J, else RX_ER
First nibble of ESD, causes de-assertion
of CRS if followed by /R/, else assertion
of RX_ER
Second nibble of ESD, causes
deassertion of CRS if following /T/, else
assertion of RX_ER
Transmit Error Symbol
INVALID, RX_ER if during RX_DV
INVALID, RX_ER if during RX_DV
INVALID, RX_ER if during RX_DV
INVALID, RX_ER if during RX_DV
INVALID, RX_ER if during RX_DV
INVALID, RX_ER if during RX_DV
INVALID, RX_ER if during RX_DV
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
INTERPRETATION
16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
Table 4.1 4B/5B Code Table
RECEIVER
0000
0001
0010
0011
0100
0101
0110
1000
1001
1010
1011
1100
1101
0111
1110
1111
DATASHEET
68
DATA
Sent after /T/R until TX_EN
Sent for rising TX_EN
Sent for rising TX_EN
Sent for falling TX_EN
Sent for falling TX_EN
Sent for rising TX_ER
INVALID
INVALID
INVALID
INVALID
INVALID
INVALID
INVALID
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
INTERPRETATION
TRANSMITTER
0000
0001
0010
0011
0100
0101
0110
1000
1001
1010
1011
1100
1101
0111
1110
1111
SMSC LAN9220
DATA
Datasheet