– 47 –
IC121 LC72146M
IC561 TA2050F
REGISTER
1
XOUT
2
CE
3
DI
4
CLK
5
DO
6
7
8
WIDNARW
9
MONO STE
10
DX.LO
11
AM.ON
12
FM.ON
24 XIN
23 VSS
22 AOUT
21 AIN
20 PD0
19 PD1
18 VSS
17 FM.OSC
16 AM.OSC
15 VDD
14 FM.IF
13 AM.IF
CCB
I/F
REFERENCE
DIVIDER
DATA SHIFT
LATCH
PHASE DETECTOR
CHARGE PGMP
12BITS PROGRAMMABLE
DIVIDER
SWALLOW COUNTER
1/16,1/17 4BITS
POWER ON
RESET
UNIVERSAL
COUNTER
16
N.C
15
R-IN (
–
)
14
N.C
13
R-IN (
+
)
12
L-IN (
+
)
11
N.C
10
L-IN (
–
)
9
N.C
+
–
+
–
1
R-OUT
2
VREF
3
N.C
4
GND
5
N.C
6
VCC
7
N.C
8
L-OUT
V REF