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

Datasheet

14.5.2.22Port x MAC Receive Control Frame Count Register (MAC_RX_CTLFRM_CNT_x)

Register #:

Port0: 0423h

Size:

32 bits

 

Port1:

0823h

 

 

 

Port2:

0C23h

 

 

This register provides a counter of good packets with a type field of 8808h. The counter is cleared upon being read.

BITS

DESCRIPTION

TYPE

DEFAULT

 

 

 

 

31:0

RX Control Frame

RC

00000000h

 

Count of good packets (proper length and free of errors) that have a type

 

 

 

field of 8808h.

 

 

 

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

 

 

 

Minimum rollover time at 100Mbps is approximately 481 hours.

 

 

 

 

 

 

 

Note: A bad packet is one that has an FCS or Symbol error.

 

 

SMSC LAN9312

343

Revision 1.4 (08-19-08)

 

DATASHEET