LAN9311 Datasheet, PDF (363/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
14.5.2.40 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
31:0
DESCRIPTION
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 LAN9311/LAN9311i
363
DATASHEET
Revision 2.0 (02-14-13)