High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

Datasheet

14.5.2.31Port x MAC Transmit 256 to 511 Byte Count Register (MAC_TX_256_TO_511_CNT_x)

Register #:

Port0: 0457h

Size:

32 bits

 

Port1:

0857h

 

 

 

Port2:

0C57h

 

 

This register provides a counter of transmitted packets between the size of 256 to 511 bytes. The counter is cleared upon being read.

BITS

DESCRIPTION

TYPE

DEFAULT

 

 

 

 

31:0 TX 256 to 511 Bytes

 

RC

00000000h

Count of packets that have between 256 and 511 bytes.

Note: This counter will stop at its maximum value of FFFF_FFFFh.

Minimum rollover time at 100Mbps is approximately 1581 hours.

Revision 1.4 (08-19-08)

352

SMSC LAN9312

 

DATASHEET