P.17 /64
CPU FSB Frequency
CPU FSB Frequency
f
f
in
in
= FSB (Front Side Bus) frequency
= FSB (Front Side Bus) frequency
N
N
= Frequency Multiplier setting
= Frequency Multiplier setting
f
f
out
out
= CPU Internal Core Frequency
= CPU Internal Core Frequency
= N * f
= N * f
in
in
C P U
PLL
FSB
CPU
Core
frequency
Freq.Multiplier
Internal N
Clock
Generator
FS0
FS1
FS2
FS3
PLL Frequency Multiplier
Phase
Detector
Loop
Filter
(VCO)
Voltage
Controlled
Oscillator
Divided-by-N
Counter
Frequency
Input
Frequency
Output
fout
fout / N
fref
fin
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