LAN9312 datasheet(330/458 Pages) SMSC

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

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

Datasheet

Revision 1.2 (04-08-08)

330

SMSC LAN9312

DATASHEET

14.5.2.8

Port x MAC Receive 512 to 1023 Byte Count Register (MAC_RX_512_TO_1023_CNT_x)

This register provides a counter of received packets between the size of 512 to 1023 bytes. The

counter is cleared upon being read.

Note:

A bad packet is defined as a packet that has an FCS or Symbol error. For this counter, a packet

that is not an integral number of bytes is rounded down to the nearest byte.

Port0: 0415h

Size:

32 bits

Port1: 0815h

Port2: 0C15h

BITS

DESCRIPTION

TYPE

DEFAULT

31:0

RX 512 to 1023 Bytes

Count of packets (including bad packets) that have between 512 and 1023

bytes.

Note:

This counter will stop at its maximum value of FFFF_FFFFh.

Minimum rollover time at 100Mbps is approximately 3047 hours.

00000000h

LAN9312 Datasheet(PDF) 330 Page - SMSC Corporation