LAN9313 Datasheet, PDF (306/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.3.2.39 Port x MAC Transmit Excessive Collision Count Register (MAC_TX_EXCCOL_CNT_x)
Register #:
Port0: 0460h
Port1: 0860h
Port2: 0C60h
Size:
32 bits
This register provides a counter of transmitted packets which experienced 16 collisions. The counter
is cleared upon being read.
BITS
DESCRIPTION
31:0 TX Excessive Collision
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.
TYPE
RC
DEFAULT
00000000h
Revision 1.2 (04-08-08)
306
DATASHEET
SMSC LAN9313/LAN9313i