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ICS94215

Programmable System Clock Chip for AMD - K7™ Processor

Integrated Circuit Systems 

ICS94215

General Description

The ICS94215 is a main clock synthesizer chip for AMD-K7 based systems with VIA style chipset. This provides all

clocks required for such a system.

The ICS94215 belongs to ICS new generation of programmable system clock generators. It employs serial

programming I2C interface as a vehicle for changing output functions, changing output frequency, configuring output

strength, configuring output to output skew, changing spread spectrum amount, changing group divider ratio and dis/

enabling individual clocks. This device also has ICS propriety 'Watchdog Timer' technology which will reset the

frequency to a safe setting if the system become unstable from over clocking.

Mode Pin - Power Management Input Control

MODE, Pin 7

(Latched Input)

0

1

Pin 2

CPU_STOP#

(Input)

REF0

(Output)

0442C—07/03/02

3

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