SMSC LAN9311 Manual De Usuario

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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
343
Revision 1.4 (08-19-08)
DATASHEET
 
14.5.2.20
Port x MAC Receive Good Packet Length Count Register (MAC_RX_GOODPKTLEN_CNT_x)
This register provides a counter of total bytes received in good packets. The counter is cleared upon
being read.
Note:
A bad packet is one that has an FCS or Symbol error. 
Register #:
Port0: 0421h
Size:
32 bits
Port1: 0821h
Port2: 0C21h
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
RX Good Bytes
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.
RC
00000000h