High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.5.2.13 Port x MAC Receive Multicast Count Register (MAC_RX_MULCST_CNT_x)
Register #:
Port0: 041Ah
Port1: 081Ah
Port2: 0C1Ah
Size:
32 bits
This register provides a counter of valid received packets with a multicast destination address. The
counter is cleared upon being read.
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
RX Multicast
RC
00000000h
Count of good packets (proper length and free of errors), including MAC
control frames, that have a multicast destination address (not including
broadcasts).
Note:
This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 481 hours.
Note: A bad packet is one that has a FCS or Symbol error.
SMSC LAN9312
335
Revision 1.2 (04-08-08)
DATASHEET
SMSC [ SMSC CORPORATION ]
