SMSC LAN9311 User Manual
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
329
Revision 1.4 (08-19-08)
DATASHEET
14.5.2.6
Port x MAC Receive 128 to 255 Byte Count Register (MAC_RX_128_TO_255_CNT_x)
This register provides a counter of received packets between the size of 128 to 255 bytes. The counter
is cleared upon being read.
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.
that is not an integral number of bytes is rounded down to the nearest byte.
Register #:
Port0: 0413h
Size:
32 bits
Port1: 0813h
Port2: 0C13h
Port2: 0C13h
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
RX 128 to 255 Bytes
Count of packets (including bad packets) that have between 128 and 255
bytes.
Count of packets (including bad packets) that have between 128 and 255
bytes.
Note:
This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 848 hours.
Minimum rollover time at 100Mbps is approximately 848 hours.
RC
00000000h