LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 345

• 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
14.5.2.24
31:18
17:16
BITS
15:0
RESERVED
Backoff Reset RX/TX
Half duplex-only. Determines when the truncated binary exponential backoff
attempts counter is reset.
00 = Reset on successful transmission (IEEE standard)
01 = Reset on successful reception
1X = Reset on either successful transmission or reception
Pause Time Value
The value that is inserted into the transmitted pause packet when the switch
wants to “XOFF” its link partner.
Port x MAC Transmit Flow Control Settings Register (MAC_TX_FC_SETTINGS_x)
This read/write register configures the flow control settings of the port.
Register #:
Port0: 0441h
Port1: 0841h
Port2: 0C41h
DESCRIPTION
DATASHEET
345
Size:
32 bits
TYPE
R/W
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
FFFFh
00b
-