SMSC LAN9311 User Manual
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08)
362
SMSC LAN9311/LAN9311i
DATASHEET
14.5.2.39
Port x MAC Transmit Excessive Collision Count Register (MAC_TX_EXCCOL_CNT_x)
This register provides a counter of transmitted packets which experienced 16 collisions. The counter
is cleared upon being read.
is cleared upon being read.
Register #:
Port0: 0460h
Size:
32 bits
Port1: 0860h
Port2: 0C60h
Port2: 0C60h
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
TX Excessive Collision
Count of transmitted packets that experienced 16 collisions. This counter is
incremented only in half-duplex operation.
Count of transmitted packets that experienced 16 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 1466 hours.
Minimum rollover time at 100Mbps is approximately 1466 hours.
RC
00000000h