LAN9311I-NZW Standard Microsystems (SMSC), LAN9311I-NZW Datasheet - Page 68

• Manufacturer Part Number: LAN9311I-NZW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9311I-NZW

• Number Of Primary Switch Ports: 2
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII
• Power Supply Type: Analog
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

Revision 1.7 (06-29-10)
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 385
ALR Priority
Queue =
Resolved Priority =
IP Precedence
. Refer to
Y
Figure 6.5 Switch Engine Transmit Queue Calculation
Use Precedence
Section 14.5.3.16, "Switch Engine Global Ingress Configuration Register
Resolved Priority =
DIFFSERV[TOS]
N
Get Queue Done
DATASHEET
Y
Resolved Priority =
DIFFSERV[TC]
Packet is IPv 4
68
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
N
for definitions of the configuration bits.
Traffic Class[Resolved Priority]
Y
N
Y
Default Priority[Source
Resolved Priority =
wait for ALR result
Packet from Host
Packet is IPv 4/v6
VLAN Enable &
VLAN Enable &
ALR Static Bit
DA Highest
Get Queue
VL Higher
Packet is
Packet is
& Use IP
Queue =
Tagged
Tagged
Priority
Priority
Port]
N
N
N
N
N
Y
Y
Y
N
Y
Y
Priority Regen[VLAN
Resolved Priority =
Priority]
SMSC LAN9311/LAN9311i
Datasheet