SMSC LAN9312 - Manual (Page 350)

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08) 350 SMSC LAN9312
DATASHEET
14.5.2.29 Port x MAC Transmit 65 to 127 Byte Count Register (MAC_TX_65_TO_127_CNT_x)
This register provides a counter of transmitted packets between the size of 65 to 127 bytes. The
counter is cleared upon being read.
Register #: Port0: 0455h Size: 32 bits
Port1: 0855h
Port2: 0C55h
BITS DESCRIPTION TYPE DEFAULT
31:0 TX 65 to 127 Bytes
Count of 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.
RC 00000000h