LAN9313 Datasheet, PDF (307/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.3.2.40 Port x MAC Transmit Single Collision Count Register (MAC_TX_SNGLECOL_CNT_x)
Register #:
Port0: 0461h
Port1: 0861h
Port2: 0C61h
Size:
32 bits
This register provides a counter of transmitted packets which experienced exactly 1 collision. The
counter is cleared upon being read.
BITS
DESCRIPTION
31:0 TX Excessive Collision
Count of transmitted packets that experienced exactly 1 collision. 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 573 hours.
TYPE
RC
DEFAULT
00000000h
SMSC LAN9313/LAN9313i
307
DATASHEET
Revision 1.2 (04-08-08)