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

Datasheet

14.5.2.16Port x MAC Receive Fragment Error Count Register (MAC_RX_FRAG_CNT_x)

Register #:

Port0: 041Dh

Size:

32 bits

 

Port1: 081Dh

 

 

 

Port2: 0C1Dh

 

 

This register provides a counter of received packets of less than 64 bytes and a FCS error. The counter is cleared upon being read.

BITS

DESCRIPTION

TYPE

DEFAULT

 

 

 

 

31:0

RX Fragment

RC

00000000h

 

Count of packets that have less than 64 bytes and a FCS error.

 

 

 

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

 

 

 

Minimum rollover time at 100Mbps is approximately 115 hours.

 

 

 

 

 

 

SMSC LAN9312

337

Revision 1.4 (08-19-08)

 

DATASHEET