SMSC LAN9311 Manual De Usuario

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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
361
Revision 1.4 (08-19-08)
DATASHEET
 
14.5.2.38
Port x MAC Transmit Late Collision Count Register (MAC_TX_LATECOL_CNT_x)
This register provides a counter of transmitted packets which experienced a late collision. The counter
is cleared upon being read.
Register #:
Port0: 045Fh
Size:
32 bits
Port1: 085Fh
Port2: 0C5Fh
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
TX Late Collision
Count of transmitted packets that experienced a late 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 481 hours.
RC
00000000h