LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 337

• 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
14.5.2.16
BITS
31:0
RX Fragment
Count of packets that have less than 64 bytes and a FCS error.
Note:
Port x MAC Receive Fragment Error Count Register (MAC_RX_FRAG_CNT_x)
This register provides a counter of received packets of less than 64 bytes and a FCS error. The counter
is cleared upon being read.
This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 115 hours.
Register #:
Port0: 041Dh
Port1: 081Dh
Port2: 0C1Dh
DESCRIPTION
DATASHEET
337
Size:
32 bits
TYPE
RC
Revision 1.7 (06-29-10)
00000000h
DEFAULT