LAN9303-ABZJ Standard Microsystems (SMSC), LAN9303-ABZJ Datasheet - Page 72

• 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)
The transmit queue priority is based on the packet type and device configuration as shown in
Figure 6.5
(SWE_GLOBAL_INGRSS_CFG)," on page 289
Resolved Priority =
ALR Priority
. Refer to
Figure 6.5 Switch Engine Transmit Queue Calculation
Resolved Priority =
IP Precedence
Section 13.4.3.16, "Switch Engine Global Ingress Configuration Register
Y
Use Precedence
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Resolved Priority =
DATASHEET
DIFFSERV[TOS]
N
Traffic Class[Resolved Priority]
72
Get Queue Done
Queue =
for definitions of the configuration bits.
Y
Resolved Priority =
DIFFSERV[TC]
Packet is IPv4
N
N
Y
Y
Default Priority[Source
Resolved Priority =
wait for ALR result
Packet from Host
Packet is IPv4/v6
ALR Priority
DA Highest
Get Queue
Enable Bit
Use Tag &
Use Tag &
VL Higher
Packet is
Packet is
& Use IP
Tagged
Tagged
Priority
Priority
Port]
N
Y
N
Y
N
N
N
SMSC LAN9303/LAN9303i
Y
N
Y
Y
Priority Regen[VLAN
Resolved Priority =
Priority]
Datasheet