LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 386
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)
14.5.3.19
BITS
31:6
5:4
3:2
1:0
RESERVED
Port State Port 2
These bits specify the spanning tree port states for Port 2.
00 = Forwarding
01 = Blocking
10 = Learning
11 = Listening
Port State Port 1
These bits specify the spanning tree port states for Port 1.
00 = Forwarding
01 = Blocking
10 = Learning
11 = Listening
Port State Port 0
These bits specify the spanning tree port states for Port 0(Host MAC).
00 = Forwarding
01 = Blocking
10 = Learning
11 = Listening
Note:
Switch Engine Port State Register (SWE_PORT_STATE)
This register is used to configure the per port spanning tree state.
Typically, the Host MAC is kept in the forwarding state, since it is
not a true network port.
Register #:
1843h
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
386
Size:
32 bits
TYPE
R/W
R/W
R/W
RO
SMSC LAN9312
DEFAULT
00b
00b
00b
Datasheet
-
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