P.18 /64
CPU Frequency Multiplier
CPU Frequency Multiplier
Klamath PII
Klamath PII
Freq. Multiple can be
configured by
jumpers.
Deschute
Deschute
PII , PIII, and
PII , PIII, and
Mendocino Celeron
Mendocino Celeron
Freq. Multiple setting
is internally locked.
Engineering Sample
Engineering Sample
Freq. Multiple still
can be configured.
C P U
PLL
FSB
CPU
Core
frequency
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
A20M#
IGNNE#
LINT1/NMI
LINT0/INTR
BF3
BF2
BF1
BF0
Gnd
1
2
3
CF4
CF3
CF2
CF1
+5V
+5V
+5V
+5V
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