CY28301 datasheet(6/13 Pages) SPECTRALINEAR

Part #	CY28301

Description	Frequency Generator for Intel(r) Integrated Chipset

Download	13 Pages

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Manufacturer	SPECTRALINEAR [SpectraLinear Inc]

Direct Link	http://www.spectralinear.com

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6 / 13 page

CY28301

Rev 1.0, November 27, 2006

Page 6 of 13

Byte 2: Control Register 2

Bit

Pin#

Name

Default

Description

Bit 7

20

PCI7

1

(Active/Inactive)

Bit 6

19

PCI6

1

(Active/Inactive)

Bit 5

17

PCI5

1

(Active/Inactive)

Bit 4

16

PCI4

1

(Active/Inactive)

Bit 3

15

PCI3

1

(Active/Inactive)

Bit 2

13

PCI2

1

(Active/Inactive)

Bit 1

12

PCI1

1

(Active/Inactive)

Bit 0

11

PCI0

1

(Active/Inactive)

Byte 3: Control Register 3

Bit

Pin#

Name

Default

Description

Bit 7

8

3V66_2

1

(Active/Inactive)

Bit 6

7

3V66_1

1

(Active/Inactive)

Bit 5

6

3V66_0

1

(Active/Inactive)

Bit 4

54

APIC

1

(Active/Inactive)

Bit 3

–

Reserved

0

Reserved

Bit 2

–

Reserved

0

Reserved

Bit 1

51

CPU1

1

(Active/Inactive)

Bit 0

52

CPU0

1

(Active/Inactive)

Byte 4: Control Register 4

Bit

Pin#

Name

Default

Description

Bit 7

39

SDRAM7

1

(Active/Inactive)

Bit 6

40

SDRAM6

1

(Active/Inactive)

Bit 5

42

SDRAM5

1

(Active/Inactive)

Bit 4

43

SDRAM4

1

(Active/Inactive)

Bit 3

44

SDRAM3

1

(Active/Inactive)

Bit 2

46

SDRAM2

1

(Active/Inactive)

Bit 1

47

SDRAM1

1

(Active/Inactive)

Bit 0

48

SDRAM0

1

(Active/Inactive)

Byte 5: Control Register 5

Bit

Pin#

Name

Default

Description

Bit 7

–

Reserved

0

Reserved

Bit 6

–

Reserved

0

Reserved

Bit 5

–

Reserved

0

Reserved

Bit 4

38

SDRAM_F

1

(Active/Inactive)

Bit 3

26

SDRAM11

1

(Active/Inactive)

Bit 2

27

SDRAM10

1

(Active/Inactive)

Bit 1

30

SDRAM9

1

(Active/Inactive)

Bit 0

31

SDRAM8

1

(Active/Inactive)

Byte 6: Vendor ID and Revision ID Register (Read-only)

Bit

Name

Default

Pin Description

Bit 7

Revision_ID3

0

Revision ID bit[3]

Bit 6

Revision_ID2

0

Revision ID bit[2]

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