LAN9303-ABZJ SMSC, LAN9303-ABZJ Datasheet - Page 78

• 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

Revision 1.4 (07-07-10)
Flow Priority =
ALR Priority
The ingress flow calculation is based on the packet type and the device configuration as shown in
Figure
6.8.
IP Precedence
Flow Priority =
Figure 6.8 Switch Engine Ingress Flow Priority Calculation
Y
Use Precedence
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
DIFFSERV[TOS]
Flow Priority =
N
DATASHEET
Get Flow Priority Done
78
Y
DIFFSERV[TC]
Packet is IPv4
Flow Priority =
N
N
Y
Y
Default Priority[Source
wait for ALR result
Packet is IPv4/v6
Get Flow Priority
from H ost & queue
Flow Priority =
calculation not
ALR Priority
DA Highest
Enable Bit
Use Tag &
Use Tag &
VL Higher
Packet is
Packet is
requested
& Use IP
Tagged
Tagged
Priority
Priority
Packet
Port]
N
Y
N
Y
N
N
N
SMSC LAN9303/LAN9303i
Y
N
Y
Y
Priority Regen[VLAN
Flow Priority =
Priority]
Datasheet