IDTTM/ICSTM

56-pin CK505 w/Fully Integrated Voltage Regulator + Integrated Series Resistor

1125E—02/26/09

Advance Information

ICS9LPRS502

56-PIN CK505 W/FULLY INTEGRATED VOLTAGE REGULATOR + INTEGRATED SERIES RESISTOR

11

Funtional Block Diagram

Power Groups

General Description

ICS9LPRS502 follows Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for

next generation Intel processors and Intel chipsets. ICS9LPRS502 is driven with a 14.318MHz crystal. It also provides a

tight ppm accuracy output for Serial ATA and PCI-Express support.

REF

CPU(1:0)

CPU PLL1

SS

OSC

REF

SRC(7:3)

PLL2

Non-SS

PLL3

SS

7

SRC8/ITP

PCI(5:0)

SRC2/SATA

SRC1/SE(2:1)

SE Outputs

SATA

DOT96MHz

PCI33MHz

SRC

SRC

SR C _M A IN

PCI33MHz

Differential Output

SRC0/DOT96

48MHz

48MHz

CPU

FSLA

CKPWRGD/PD#

PCI_STOP#

CPU_STOP#

CR#_(A:F)

SRC5_EN

ITP_EN

FSLC/TESTSEL

FSLB/TESTMODE

Control

Logic

X1

X2

VDD

GND

41

44

CPUCLK

Low power outputs

47

44

26, 37

23,34

Low power outputs

31

23,34

PLL 1

20

19

Low power outputs

16

19

PLL 3

12

11

DOT 96Mhz

Low power outputs

911

53

50

28

USB 48

Xtal, REF

PCICLK

SRCCLK

Pin Number

Description

PLL3/SE

Master Clock, Analog