W150 Просмотр технического описания (PDF) - Cypress Semiconductor

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Компоненты Описание

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W150

440BX AGPset Spread Spectrum Frequency Synthesizer

Cypress Semiconductor 

PRELIMINARY

Table 5. Data Bytes 0–5 Serial Configuration Map (continued)

Affected Pin

Bit(s) Pin No. Pin Name

Control Function

4

14

PCI4

Clock Output Disable

3

13

PCI3

Clock Output Disable

2

12

PCI2

Clock Output Disable

1

11

PCI1

Clock Output Disable

0

9

PCI0

Clock Output Disable

Data Byte 3

7

–

–

(Reserved)

6

–

–

(Reserved)

5

29

48MHz Clock Output Disable

4

30

24MHz Clock Output Disable

3

33, 32, SDRAM12:15 Clock Output Disable

25, 24

2

22, 21, SDRAM8:11 Clock Output Disable

19, 18

1

39, 38, SDRAM4:7 Clock Output Disable

36, 35

0

44, 43, SDRAM0:3 Clock Output Disable

41, 40

Data Byte 4

7

–

–

(Reserved)

6

–

–

(Reserved)

5

–

–

(Reserved)

4

–

–

(Reserved)

3

–

–

(Reserved)

2

–

–

(Reserved)

1

–

–

(Reserved)

0

–

–

(Reserved)

Data Byte 5

7

–

–

(Reserved)

6

–

–

(Reserved)

5

54

IOAPIC_F Disabled

4

55

IOAPICO Disabled

3

–

–

(Reserved)

2

–

–

(Reserved)

1

2

REF1

Clock Output Disable

0

3

REF0

Clock Output Disable

Bit Control

0

1

Low

Active

Low

Active

Low

Active

Low

Active

Low

Active

–

–

–

–

Low

Active

Low

Active

Low

Active

Low

Active

Low

Active

Low

Active

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

Low

Active

Low

Active

–

–

–

–

Low

Active

Low

Active

W150

Default

1

1

1

1

1

0

0

1

1

1

1

1

1

0

0

0

0

0

0

0

0

0

0

1

1

0

0

1

1

Document #: 38-07177 Rev. *B

Page 7 of 15

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