CY28411 Cypress Semiconductor, CY28411 Datasheet

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CY28411

Manufacturer Part Number

CY28411

Description

Clock Generator for Intel Alviso Chipset

Manufacturer

Cypress Semiconductor

Datasheet

1.CY28411.pdf (19 pages)

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Current page: 1 of 19
Download datasheet (263Kb)

Cypress Semiconductor Corporation

Document #: 38-07594 Rev. *B

Features

• Compliant to Intel

• Supports Intel Pentium-M CPU

• Selectable CPU frequencies

• Differential CPU clock pairs

• 100-MHz differential SRC clocks

• 96-MHz differential dot clock

• 48-MHz USB clocks

Block Diagram

CPU_STP#

VTT_PWRGD#

PCI_STP#

FS_[C:A]

SDATA

XOUT

SCLK

IREF

XIN

PD

PLL1

PLL2

Logic

XTAL

OSC

I

2

C



Network

CK410M

Divider

PLL Ref Freq

•

Clock Generator for Intel

3901 North First Street

DOT96T

DOT96C

VDD_REF

REF

VDD_CPU

VDD_SRC

VDD_PCI

VDD_PCIF

VDD_48 MHz

USB_48

CPUT[0:1], CPUC[0:1],

CPU(T/C)2_ITP]

SRCT[0:6], SRCC[0:6]

PCI[2:5]

PCIF[0:1]

FS_B/TEST_MODE

VTT_PWRGD#/PD

• 33-MHz PCI clock

• Low-voltage frequency select input

• I

• Ideal Lexmark Spread Spectrum profile for maximum

• 3.3V power supply

• 56-pin SSOP and TSSOP packages

PCIF0/ITP_EN

USB_48/FS_A

SRC4_SATAC

x2 / x3

SRC4_SATAT

electromagnetic interference (EMI) reduction

CPU

2

C support with readback capabilities

Pin Configuration

VDD_SRC

VDD_SRC

VDD_PCI

VDD_PCI

VSS_PCI

VSS_PCI

DOT96C

VDD_48

DOT96T

VSS_48

SRCC0

SRCC1

SRCC2

SRCC3

SRCT0

SRCT1

SRCT2

SRCT3

PCIF1

•

PCI3

PCI4

PCI5

x7 / x8

SRC

San Jose

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

56 SSOP/TSSOP

PCI

,

x 6

CA 95134



Alviso Chipset

REF

x 1

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

Revised June 11, 2004

•

PCI2

PCI_STP#

CPU_STP#

FS_C/TEST_SEL

REF

VSS_REF

XIN

XOUT

VDD_REF

SDATA

SCLK

VSS_CPU

CPUT0

CPUC0

VDD_CPU

CPUT1

CPUC1

IREF

VSSA

VDDA

CPUT2_ITP/SRCT7

CPUC2_ITP/SRCC7

VDD_SRC

SRCT6

SRCC6

SRCT5

SRCC5

VSS_SRC

DOT96

x 1

408-943-2600

CY28411

USB_48

x 1

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