LAN9312 datasheet(216/458 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)

216

SMSC LAN9312

DATASHEET

14.2.5.16

1588 Clock Target High-DWORD Register (1588_CLOCK_TARGET_HI)

Th is rea d /w rite regi ster comb in ed wi th 15 88 Cl oc k Ta rge t Lo w-D W OR D R e g i st e r

(1588_CLOCK_TARGET_LO) 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

Low-DWORD

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

Offset:

17Ch

Size:

32 bits

BITS

DESCRIPTION

TYPE

DEFAULT

31:0

Clock Target High (CLOCK_TARGET_HI)

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

R/W

00000000h

LAN9312 Datasheet(PDF) 216 Page - SMSC Corporation