High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.5.2.7
Port x MAC Receive 256 to 511 Byte Count Register (MAC_RX_256_TO_511_CNT_x)
Register #:
Port0: 0414h
Port1: 0814h
Port2: 0C14h
Size:
32 bits
This register provides a counter of received packets between the size of 256 to 511 bytes. The counter
is cleared upon being read.
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
RX 256 to 511 Bytes
Count of packets (including bad packets) that have between 256 and 511
bytes.
RC
00000000h
Note:
This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 1581 hours.
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.
SMSC LAN9312
329
Revision 1.2 (04-08-08)
DATASHEET
SMSC [ SMSC CORPORATION ]
