AV9148F-53 Просмотр технического описания (PDF) - Integrated Circuit Systems

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AV9148F-53

Frequency Generator & Integrated Buffers for Mother Boards

Integrated Circuit Systems 

Mode Pin - Power Management Input Control

MODE, Pin 25

(Latched Input)

0

1

Pin 17

CPU_STOP#

(INPUT)

SDRAM 11

(OUTPUT)

Pin 18

PCI_STOP#

(INPUT)

SDRAM 10

(OUTPUT)

Pin 20

AGP_STOP#

(INPUT)

SDRAM 9

(OUTPUT)

ICS9148 - 53

Pin 21

PD#

(INPUT)

SDRAM 8

(OUTPUT)

Power Management Functionality

AGP_STOP# CPU_STOP# PCI_STOP#

AGP,

CPUCLK

Outputs

PCICLK

(0:5)

PCICLK_F,

REF, 48MHz

and SDRAM

1

0

1

Stopped Low Running

Running

1

1

1

Running

Running

Running

1

1

0

Running Stopped Low Running

0

1

1

Running

Running

Running

Crystal

OSC

Running

Running

Running

Running

VCO AGP(1:2)

Running Running

Running Running

Running Running

Running Stopped Low

CPU 3.3#_2.5V Buffer selector for CPUCLK drivers.

CPU3.3#_2.5

Input level

(Latched Data)

1

0

Buffer Selected for

operation at:

2.5V VDD

3.3V VDD

3

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