9LPRS480YKLFT Просмотр технического описания (PDF) - Integrated Device Technology

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9LPRS480YKLFT

Programmable System Clock Chip for ATI RS780 - K8™ based Systems

Integrated Device Technology 

Integrated

Circuit

Systems, Inc.

Differential Output Power Management Table

True Complement

PD# CLKREQ#

SMBus

output

Output

Register OE

Free-Run

1

0

Enable

Running

0

X

X

Low/20K

1

1

Enable

Running

X

X

Disable Low/20K

Note: 20K means 20Kohm Pull Down

Running

Low

Running

Low

True

output

Complement

Output

CLKREQ# Selected

Running

Low/20K

Low/20K

Low/20K

Running

Low

Low

Low

Singled-ended Power Management Table

SMBus

PD# Register OE

48MHz

27MHz

1

Enable

Running Running

0

Enable

Low

Low

HTT66MHz

Running

Low

REF(2:0)

Running

Hi-Z

ICS9LPRS480

1391D—02/02/09

11

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