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HCD-RG55/RG55S
IC102 LC72131D (MAIN BOARD)
IC301 M61519FPD61G (MAIN BOARD)
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
3 4 5 6
7 8 9 10
18
17
16
15
13
12
11
19
20
21
22
XOUT
GND
AOUT
AIN
PD
VDD
FMOSC
AMOSC
14
NC
XIN
DO
CL
DI
CE
2
NC
IFIN
SD/IN
FA
VCO STOP
IF REQ
FM
NC
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH