LAN9312 Datasheet, PDF (435/458 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
14.5.4.23 Buffer Manager Port 0 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_MII)
Register #:
1C16h
Size:
32 bits
This register counts the number of packets received on Port 0(Host MAC) that were dropped by the
Buffer Manager due to ingress rate limit discarding (Red and random Yellow dropping).
BITS
DESCRIPTION
31:0 Dropped Count
These bits count the number of dropped packets received on Port 0(Host
MAC) 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
SMSC LAN9312
435
DATASHEET
Revision 1.2 (04-08-08)