LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 80
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LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9312-NU.pdf
(458 pages)
Specifications of LAN9312-NU
Number Of Primary Switch Ports
2
Operating Supply Voltage (typ)
3.3V
Fiber Support
No
Phy/transceiver Interface
MII
Power Supply Type
Analog
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
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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]
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
[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
Priority = Unchanged
VID = Default VID
[ingress_port]
Modify Tag
N
Strip Tag
Strip Tag
Special Tagged
Strip Tag
SMSC LAN9312
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