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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) 330 SMSC LAN9311/LAN9311i
DATASHEET
14.5.2.7 Port x MAC Receive 256 to 511 Byte Count Register (MAC_RX_256_TO_511_CNT_x)
This register provides a counter of received packets between the size of 256 to 511 bytes. The counter
is cleared upon being read.
Note: A bad packet is defined as a packet that has an FCS or Symbol error. For this counter, a packet
that is not an integral number of bytes is rounded down to the nearest byte.
Register #: Port0: 0414h Size: 32 bits
Port1: 0814h
Port2: 0C14h
BITS DESCRIPTION TYPE DEFAULT
31:0 RX 256 to 511 Bytes
Count of packets (including bad packets) that have between 256 and 511
bytes.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 1581 hours.
RC 00000000h