LAN9311I-NZW Standard Microsystem (Smsc), LAN9311I-NZW Datasheet - Page 68

• Manufacturer Part Number: LAN9311I-NZW
• Manufacturer: Standard Microsystem (Smsc)

Specifications of LAN9311I-NZW

• Package: 128XVTQFP
• Phy/transceiver Interface: MII
• Number Of Primary Switch Ports: 2
• Maximum Data Rate: 100 Mbps
• Internal Memory Buffer Size: 32 KB
• Vlan Support: Yes
• Power Supply Type: Analog
• Minimum Single Supply Voltage: 3 V
• Maximum Single Supply Voltage: 3.6 V
• Maximum Supply Current: 0.295 A
• Maximum Power Dissipation: 1070 mW

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