SMSC LAN9311 User Manual
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
365
Revision 1.4 (08-19-08)
DATASHEET
14.5.2.42
Port x MAC Transmit Total Collision Count Register (MAC_TX_TOTALCOL_CNT_x)
This register provides a counter of total collisions including late collisions. The counter is cleared upon
being read.
being read.
Register #:
Port0: 0463h
Size:
32 bits
Port1: 0863h
Port2: 0C63h
Port2: 0C63h
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
TX Total Collision
Total count of collisions including late collisions. This counter is incremented
only in half-duplex operation.
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.
Minimum rollover time at 100Mbps is approximately 92 hours.
RC
00000000h