LAN9311-NU SMSC, LAN9311-NU Datasheet - Page 73
LAN9311-NU
Manufacturer Part Number
LAN9311-NU
Description
IC ETHER SW 2PRT 16BIT 128-VTQFP
Manufacturer
SMSC
Type
Two Port Managed Ethernet Switchr
Specifications of LAN9311-NU
Controller Type
Ethernet Switch Controller
Interface
Serial EEPROM
Voltage - Supply
3.3V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
128-TQFP, 128-VQFP
Product
Ethernet Switches
Number Of Transceivers
1
Standard Supported
802.3, 802.3u
Data Rate
10 MB, 100 MB
Supply Voltage (max)
3.3 V
Supply Voltage (min)
0 V
Maximum Operating Temperature
+ 70 C
Ethernet Connection Type
10 Base-T, 100 Base-TX
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
For Use With
638-1076 - EVALUATION BOARD LAN9311-NU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
638-1075
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9311-NU
Manufacturer:
CINCERA
Quantity:
3 023
Company:
Part Number:
LAN9311-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
LAN9311-NU
Manufacturer:
SMSC
Quantity:
20 000
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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
The ingress flow calculation is based on the packet type and the device configuration as shown in
Figure
IPv4 Precedence
IPv4(TOS)
IPv6(TC)
VLAN Priority
6.8.
Source Port
IP Precedence
Flow Priority =
Figure 6.8 Switch Engine Ingress Flow Priority Calculation
Figure 6.7 Switch Engine Ingress Flow Priority Selection
Y
Use Precedence
6b
3b
Packet is from Host
2b
VL Higher Priority
Packet is Tagged
3b
Use Precedence
DIFFSERV Table
Packet is IPv 4
Programmable
DIFFSERV[TOS]
VLAN Enable
Flow Priority =
Packet is IP
Programmable
N
Port Default
Use IP
Table
DATASHEET
Y
DIFFSERV[TC]
Packet is IPv 4
Flow Priority =
3b
3b
73
N
Calculation
Priority
N
Y
Default Priority[Source
Get Flow Priority Done
Packet from Host
Packet is IPv 4/v6
Get Flow Priority
Vlan Enable &
Vlan Enable &
Flow Priority =
VL Higher
Packet is
Packet is
& Use IP
Tagged
Tagged
Priority
Port]
N
N
N
N
Y
3b
Y
Y
Y
flow priority
Flow Priority =
VLAN Priority
Revision 1.7 (06-29-10)
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