LAN9420I-NU Standard Microsystems (SMSC), LAN9420I-NU Datasheet - Page 61

• Manufacturer Part Number: LAN9420I-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9420I-NU

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i
DST
{DSAP, SSAP, CTRL, OUI[23:16]}
Example frame configurations:
0
DST
0
DST
1
0
SRC
1
SRC
1
2
Figure 3.22 Ethernet Frame with Length Field and SNAP Header
SRC
2
8
1
0
0
2
3
V
I
D
p
r
o
t
3
L
e
n
t
y
p
e
3
4
S
N
A
P
0
Figure 3.21 Ethernet Frame with VLAN Tag
4
S
N
A
P
1
Figure 3.20 Type II Ethernet Frame
5
DATASHEET
{OUI[15:0], PID[15:0]}
Calculate Checksum
Calculate Checksum
61
L3 Packet
Calculate Checksum
L3 Packet
L3 Packet
Revision 1.4 (12-17-08)
C
F
S
F
C
S
C
S
F