4

Integrated

Circuit

Systems, Inc.

ICS9LPRS511

Advance Information

1137—09/05/08

General Description

ICS9LPRS511 follows the Intel CK505-compliant clock specification. This clock synthesizer provides a single chip solution for

next generation P4 Intel processors and Intel chipsets. ICS9LPRS511 is driven with a 14.318MHz crystal.

Fixed PLL

Frequency

Dividers

PLL

Array

Programmable

Frequency

Divider

Array

STOP

Logic

48MHz, USB

X1

X2

XTAL

SDATA

SCLK

FSLA

FSLB

FSLC

VttPwrgd/WOL_STOP#

Control

Logic

REF0

CPUCLKT (1:0)

CPUCLKC (1:0)

SATACLKT

SATACLKC

PCICLK (4:0)

PCIEXT(8:1)

DOTCLKT96/PCIEXT0

DOTCLKC96/PCIEXC0

PCIEXC(8:1)

25MHz

Reset#

DOC (1:0)

SEL24_48#

SELRSET

24_48MHz

RLATCH

GSEL

24.576MHz

Block Diagram