FUJITSU MB15C02 - Manual (Page 5)

5
MB15C02
■
BLOCK DIAGRAM
Control
register
Phase
comparator
OSC
IN
OSC
OUT
V
P
Do
14-bit latch
Programmable
reference divider
Binary 14-bit
reference counter
Data
18-bit shift register
18-bit latch
Binary 6-bit
swallow
counter
Binary 12-bit
programma-
ble counter
LD
f in
Clock
LE
TEST
V SS
Prescaler Charge
pump
fp
fr
Intermittent
mode control
circuit
PS
FC
Control circuit
Lock detector
φ P
φ R
14
14
18
6 12
V
DD
Output
control
circuit
Output
control
circuit
Crystal
oscillator
circuit