LAN9312 Datasheet, PDF (406/458 Pages) SMSC Corporation – High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.5.3.36 Switch Engine Port 0 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_MII)
Register #:
1858h
Size:
32 bits
This register counts the number of MAC addresses on Port 0(Host MAC) that were not learned or were
overwritten by a different address due to address table space limitations.
BITS
DESCRIPTION
31:0 Learn Discard
This field is a count of MAC addresses not learned or overwritten and is
cleared when read.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 481 hours.
TYPE
RC
DEFAULT
00000000h
Revision 1.2 (04-08-08)
406
DATASHEET
SMSC LAN9312