LAN9420I-NU SMSC, LAN9420I-NU Datasheet - Page 61

• Manufacturer Part Number: LAN9420I-NU
• Description: IC ETHERNET CTRLR SGL 128VTQFP
• Manufacturer: SMSC
• Type: Single Chip MAC and PHY Controllerr

Specifications of LAN9420I-NU

• Controller Type: Ethernet Controller
• Interface: PCI
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 145mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Product: Ethernet Controllers
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 MB, 100 MB
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.6 V
• Maximum Operating Temperature: + 85 C
• Ethernet Connection Type: 10/100 Base-T
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1085

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
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D
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o
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3
L
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4
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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
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C
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C
S
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