LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 133

• 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
Last Packet
Last Packet
Figure 9.7 Host Receive Routine Using Interrupts
Figure 9.8 Host Receive Routine Using Polling
DATASHEET
RX_FIFO_INF
Read RX
Read RX
Read RX
Read RX
DWORD
DWORD
Packet
Packet
Status
Status
Read
Idle
init
init
133
RX Interrupt
Valid Status DWORD
Not Last Packet
Not Last Packet
Revision 1.7 (06-29-10)