LAN9311 Datasheet, PDF (419/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

14.5.4.7
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Buffer Manager Port 1 Drop Count Register (BM_DRP_CNT_SRC_1)
Register #:
1C06h
Size:
32 bits
This register counts the number of packets dropped by the Buffer Manager that were received on Port
1. This count includes packets dropped due to buffer space limits and ingress rate limit discarding (Red
and random Yellow dropping).
BITS
31:0
DESCRIPTION
Dropped Count
These bits count the number of dropped packets received on Port 1 and is
cleared when read.
Note: The counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 481 hours.
TYPE
RC
DEFAULT
00000000h
SMSC LAN9311/LAN9311i
419
DATASHEET
Revision 2.0 (02-14-13)