LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 185

• 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
14.2.2.5
31:24
23:16
BITS
15:0
RESERVED
TX Status FIFO Used Space (TXSUSED)
This field indicates the amount of space, in DWORD’s, currently used in the
TX Status FIFO.
TX Data FIFO Free Space (TXFREE)
This field indicates the amount of space, in bytes, available in the TX Data
FIFO. The application should never write more than is available, as indicated
by this value.
TX FIFO Information Register (TX_FIFO_INF)
This register contains the indication of free space in the TX Data FIFO and the used space in the TX
Status FIFO.
Offset:
080h
DESCRIPTION
DATASHEET
185
Size:
32 bits
TYPE
RO
RO
RO
Revision 1.7 (06-29-10)
DEFAULT
1200h
0b
-