LAN9303-ABZJ SMSC, LAN9303-ABZJ Datasheet - Page 77

• Manufacturer Part Number: LAN9303-ABZJ
• Description: IC ETHER SW 3PORT 16BIT 56QFN
• Manufacturer: SMSC

Specifications of LAN9303-ABZJ

• Controller Type: Ethernet Switch Controller
• Interface: SMBus (2-Wire/I²C)
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 190mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-QFN
• Product: Ethernet Switches
• Standard Supported: Yes
• Data Rate: 10 Mbps/100 Mbps
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current (max): 0.19 A (Typ)
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• For Use With: 638-1095 - EVALUATION BOARD FOR LAN9303
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1082

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
SMSC LAN9303/LAN9303i
6.4.6.1
VLAN Priority
ALR Priority
IPv 4 Precedence
IPv4( TOS)
Ingress Flow Calculation
Based on the flow monitoring mode, an ingress flow definition can include the ingress priority. This is
calculated similarly to the transmit queue with the exception that the Traffic Class table is not used. As
shown in
IPv6(TC)
Source Port
The static value for the destination address in the ALR table.
The precedence bits in the IPv4 TOS octet
The DIFFSERV mapping table indexed by the IPv4 TOS octet or the IPv6 Traffic Class octet
The VLAN tag priority field using the per port Priority Regeneration table
The port default
Figure
6b
Figure 6.7 Switch Engine Ingress Flow Priority Selection
Packet is from Host
2b
VL Higher Priority
Packet is Tagged
3b
Use Precedence
6.7, the priority can be based on:
Packet is IPv4
DIFFSERV Table
Programmable
Packet is IP
Programmable
Table per Port
Regeneration
Use Tag
Programmable
Port Default
Priority
Use IP
Table
3b
DATASHEET
3b
Calculation
77
Priority
ALR Priority Enable Bit
DA Highest Priority
3b
Static DA
Override
3b
Revision 1.4 (07-07-10)
flow priority