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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08) 326 SMSC LAN9311/LAN9311i
DATASHEET
14.5.2.3 Port x MAC Receive Undersize Count Register (MAC_RX_UNDSZE_CNT_x)
This register provides a counter of undersized packets received by the port. The counter is cleared
upon being read.
Register #: Port0: 0410h Size: 32 bits
Port1: 0810h
Port2: 0C10h
BITS DESCRIPTION TYPE DEFAULT
31:0 RX Undersize
Count of packets that have less than 64 byte and a valid FCS.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 115 hours.
RC 00000000h