LAN9303-ABZJ Standard Microsystems (SMSC), LAN9303-ABZJ Datasheet - Page 78

• Manufacturer Part Number: LAN9303-ABZJ
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9303-ABZJ

• Number Of Primary Switch Ports: 3
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Power Supply Type: Analog
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

Revision 1.4 (07-07-10)
Flow Priority =
ALR Priority
The ingress flow calculation is based on the packet type and the device configuration as shown in
Figure
6.8.
IP Precedence
Flow Priority =
Figure 6.8 Switch Engine Ingress Flow Priority Calculation
Y
Use Precedence
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
DIFFSERV[TOS]
Flow Priority =
N
DATASHEET
Get Flow Priority Done
78
Y
DIFFSERV[TC]
Packet is IPv4
Flow Priority =
N
N
Y
Y
Default Priority[Source
wait for ALR result
Packet is IPv4/v6
Get Flow Priority
from H ost & queue
Flow Priority =
calculation not
ALR Priority
DA Highest
Enable Bit
Use Tag &
Use Tag &
VL Higher
Packet is
Packet is
requested
& Use IP
Tagged
Tagged
Priority
Priority
Packet
Port]
N
Y
N
Y
N
N
N
SMSC LAN9303/LAN9303i
Y
N
Y
Y
Priority Regen[VLAN
Flow Priority =
Priority]
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