LAN9312 datasheet(217/458 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

SMSC LAN9312

217

Revision 1.2 (04-08-08)

DATASHEET

14.2.5.17

1588 Clock Target Low-DWORD Register (1588_CLOCK_TARGET_LO)

This read/write regist e r combined wi t h 1588 C l ock Ta rget Hi gh-D W OR D Regist er

(1588_CLOCK_TARGET_HI) form the 64-bit 1588 Clock Target value. The 1588 Clock Target value is

compared to the current 1588 Clock value and can be used to trigger an interrupt upon at match. Refer

to Chapter 11, "IEEE 1588 Hardware Time Stamp Unit," on page 154 for additional information.

Note:

Both

this

and

the

1588

Clock

Target

High-DWORD

(1588_CLOCK_TARGET_HI) must be written for either to be affected.

Offset:

180h

Size:

32 bits

BITS

DESCRIPTION

TYPE

DEFAULT

31:0

Clock Target Low (CLOCK_TARGET_LO)

This field contains the low 32-bits of the 64-bit 1588 Clock Compare value.

R/W

00000000h

LAN9312 Datasheet(PDF) 217 Page - SMSC Corporation