LAN9311-NU SMSC, LAN9311-NU Datasheet - Page 80

• Manufacturer Part Number: LAN9311-NU
• Description: IC ETHER SW 2PRT 16BIT 128-VTQFP
• Manufacturer: SMSC
• Type: Two Port Managed Ethernet Switchr

Specifications of LAN9311-NU

• Controller Type: Ethernet Switch Controller
• Interface: Serial EEPROM
• Voltage - Supply: 3.3V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Product: Ethernet Switches
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 MB, 100 MB
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 0 V
• Maximum Operating Temperature: + 70 C
• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• For Use With: 638-1076 - EVALUATION BOARD LAN9311-NU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1075

Revision 1.7 (06-29-10)
Priority = Default Priority
Priority = Default Priority
VID = Default VID
VID = Default VID
[egress_port]
[ingress_port]
[ingress_port]
[ingress_port]
Non-tagged
Default VID
[egress_port]
[egress_port]
Insert Tag
Un-tag Bit
Modify Tag
Add Tag
Y
N
Y
Hybrid tagging is summarized in
The default VLAN ID and priority of each port may be configured via the following registers:
Change Priority
[egress_port]
N
Y
Buffer Manager Port 0 Default VLAN ID and Priority Register (BM_VLAN_MII)
Buffer Manager Port 1 Default VLAN ID and Priority Register (BM_VLAN_1)
Buffer Manager Port 2 Default VLAN ID and Priority Register (BM_VLAN_2)
Send Packet Untouched
Priority = Unchanged
VID = Default VID
[egress_port]
Modify Tag
N
Y
Figure 6.9 Hybrid Port Tagging and Un-tagging
Change VLAN ID
Normal Tagged
Received VID
[egress_port]
[egress_port]
Change Tag
Un-tag Bit
N
Y
Priority = Default Priority
Priority = Default Priority
VID = Unchanged
VID = Default VID
Change Priority
Priority Tagged
[egress_port]
[ingress_port]
[ingress_port]
[ingress_port]
[egress_port]
Modify Tag
N
N
Default VID
Y
Modify Tag
Un-tag Bit
Figure
N
Y
Y
DATASHEET
Change Priority
[egress_port]
Receive Tag
Y
N
6.9.
Type
80
Send Packet Untouched
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Priority = Unchanged
VID = Default VID
[ingress_port]
Modify Tag
N
Strip Tag
Strip Tag
SMSC LAN9311/LAN9311i
Special Tagged
Strip Tag
Datasheet