LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 369

• Manufacturer Part Number: LAN9312-NU
• Manufacturer: Standard Microsystems (SMSC)

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

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
18:16
BITS
15:0
Port
These bits indicate the port(s) associated with this MAC address. When bit
18 is cleared, a single port is selected. When bit 18 is set, multiple ports are
selected.
MAC Address
These field contains the last 16 bits of the ALR entry that will be written into
the ALR table. They correspond to the last 16 bits of the MAC address. Bit
15 holds the MSB of the last byte (the last bit on the wire). The first 32 bits
of the MAC address are located in the
Register
VALUE
000
001
010
011
100
101
110
111
(SWE_ALR_WR_DAT_0).
Port 0(Host MAC), Port 1, and Port 2
DESCRIPTION
Port 0(Host MAC) and Port 1
Port 0(Host MAC) and Port 2
ASSOCIATED PORT(S)
Port 0(Host MAC)
Port 1 and Port 2
DATASHEET
RESERVED
Switch Engine ALR Write Data 0
Port 1
Port 2
369
TYPE
R/W
R/W
Revision 1.7 (06-29-10)
DEFAULT
0000h
000b