SMSC LAN9311 User Manual

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Datasheet

SMSC LAN9311/LAN9311i

351

Revision 1.4 (08-19-08)

DATASHEET

14.5.2.28

Port x MAC Transmit 64 Byte Count Register (MAC_TX_64_CNT_x)

This register provides a counter of 64 byte packets transmitted by the port. The counter is cleared
upon being read.

Port0: 0454h

Size:

32 bits

Port1: 0854h
Port2: 0C54h

BITS

DESCRIPTION

TYPE

DEFAULT

31:0

TX 64 Bytes
Count of packets that have exactly 64 bytes.

Note:

This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 481 hours.

00000000h