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

Datasheet

14.5.2.20Port x MAC Receive Good Packet Length Count Register (MAC_RX_GOODPKTLEN_CNT_x)

Register #:

Port0: 0421h

Size:

32 bits

 

Port1:

0821h

 

 

 

Port2:

0C21h

 

 

This register provides a counter of total bytes received in good packets. The counter is cleared upon being read.

BITS

DESCRIPTION

TYPE

DEFAULT

 

 

 

 

31:0

RX Good Bytes

RC

00000000h

 

Count of total bytes received in good packets (proper length and free of

 

 

 

errors).

 

 

 

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

 

 

 

Minimum rollover time at 100Mbps is approximately 5.8 hours.

 

 

 

 

 

 

 

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

 

 

SMSC LAN9311/LAN9311i

343

Revision 1.4 (08-19-08)

 

DATASHEET