EVB9311 SMSC, EVB9311 Datasheet - Page 68

• Manufacturer Part Number: EVB9311
• Description: EVALUATION BOARD LAN9311-NU
• Manufacturer: SMSC
• Series: 0133r

Specifications of EVB9311

• Main Purpose: Interface, Ethernet
• Embedded: No
• Utilized Ic / Part: LAN9311
• Primary Attributes: 2 Ports, 100BASE-TX/10BASE-T, Managed
• Secondary Attributes: 2 PHYs with HP Auto-MDIX, Auto- Flow Control, 32-bit CRC, MDI/MDI-X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1076

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