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

Datasheet

14.5.2.21Port x MAC Receive Symbol Error Count Register (MAC_RX_SYMBOL_CNT_x)

Register #:

Port0: 0422h

Size:

32 bits

 

Port1:

0822h

 

 

 

Port2:

0C22h

 

 

This register provides a counter of received packets with a symbol error. The counter is cleared upon being read.

BITS

DESCRIPTION

TYPE

DEFAULT

 

 

 

 

31:0

RX Symbol

RC

00000000h

 

Count of packets that had a receive symbol error.

 

 

 

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

 

 

 

Minimum rollover time at 100Mbps is approximately 115 hours.

 

 

 

 

 

 

Revision 1.4 (08-19-08)

342

SMSC LAN9312

 

DATASHEET