LAN9313 Datasheet, PDF (272/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

13.3.2.5
Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
Port x MAC Receive 65 to 127 Byte Count Register (MAC_RX_65_TO_127_CNT_x)
Register #:
Port0: 0412h
Port1: 0812h
Port2: 0C12h
Size:
32 bits
This register provides a counter of received packets between the size of 65 to 127 bytes. The counter
is cleared upon being read.
BITS
DESCRIPTION
31:0 RX 65 to 127 Bytes
Count of packets (including bad packets) that have between 65 and 127
bytes.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 487 hours.
TYPE
RC
DEFAULT
00000000h
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.
Revision 1.2 (04-08-08)
272
DATASHEET
SMSC LAN9313/LAN9313i