FUJITSU MB15C101 - Manual (Page 3)

3
MB15C101
■
BLOCK DIAGRAM
V CC
OSC
IN
fin
GND
DIV
fout
LD
Do
fr
fp
Oscillator
input
buffer
Reference divider
Reference
counter
( R )
Data
setting
circuit
Prescaler
16 / 17 ( P )
Control circuit
Swallow
counter
( A )
Main
counter
( N )
Phase
comparator
charge
pump
Lock
detector
Output
selector
Comparison divider