LAN9313 Datasheet, PDF (289/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.3.2.22 Port x MAC Receive Control Frame Count Register (MAC_RX_CTLFRM_CNT_x)
Register #:
Port0: 0423h
Port1: 0823h
Port2: 0C23h
Size:
32 bits
This register provides a counter of good packets with a type field of 8808h. The counter is cleared
upon being read.
BITS
DESCRIPTION
31:0 RX Control Frame
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.
TYPE
RC
DEFAULT
00000000h
Note: A bad packet is one that has an FCS or Symbol error.
SMSC LAN9313/LAN9313i
289
DATASHEET
Revision 1.2 (04-08-08)