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LAN9312 Datasheet(PDF) 417 Page - SMSC Corporation

Part # LAN9312
Description  High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
PDF  458 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9312 Datasheet(HTML) 417 Page - SMSC Corporation

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
417
Revision 1.2 (04-08-08)
DATASHEET
14.5.4.6
Buffer Manager Port 0 Drop Count Register (BM_DRP_CNT_SRC_MII)
This register counts the number of packets dropped by the Buffer Manager that were received on Port
0(Host MAC). This count includes packets dropped due to buffer space limits and ingress rate limit
discarding (Red and random Yellow dropping).
Register #:
1C05h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Dropped Count
These bits count the number of dropped packets received on Port 0 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.
RC
00000000h



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