LAN9313 Datasheet, PDF (309/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.3.2.42 Port x MAC Transmit Total Collision Count Register (MAC_TX_TOTALCOL_CNT_x)
Register #:
Port0: 0463h
Port1: 0863h
Port2: 0C63h
Size:
32 bits
This register provides a counter of total collisions including late collisions. The counter is cleared upon
being read.
BITS
DESCRIPTION
31:0 TX Total Collision
Total count of collisions including late collisions. This counter is incremented
only in half-duplex operation.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 92 hours.
TYPE
RC
DEFAULT
00000000h
SMSC LAN9313/LAN9313i
309
DATASHEET
Revision 1.2 (04-08-08)