KD-LX330R/KD-LX110R
1-36
1
24
2
15
16
13
3
4
5
6
7
8
9
10 11 12
14
17
21
23
18
19
22
20
Buff.
ON/OFF
OSC circuit
AMP
AMP
AMP
Reference Counter
Phase
Comparator
Prescaler
4-bit
Swallow counter
12-bit
Programmable counter
Constant
power supply voltage
AM CP.
switch
switch
REG.
vt
FM cp
+
-
+
-
a-gnd
vccd-gndvdd
vdd2
out-2out-1
I/O -2I/O -1
SL
osc
XO
XI
FM VCO
AMVCO
IFC
CE
DIN
DOUT
DIMM
20-bit BINARY COUNTER
Serial
Interface
Resistor 1
Resistor 2
22-bit
40bit shift register
I/O PORT
OUTPUT PORT
Vdd
Vcc
TB2118F-X (IC21) : PLL
1.Terminal Layout
2.Block diagram
Pin
No.
Symbol I/O Function
1
2
3
4
5
6
7
8
9
10
11
12
XOUT
OSC
CE
DI
CK
DOUT
SR
I/01
I/02
OUT1
OUT2
VDD2
Crystal oscillator pin
Non connect
Chip enable input
Serial data input
Clock input
Serial data output
Register control pin
I/O ports
I/O ports
Non connect
Non connect
Single power supply for REF. frequency block
O
-
I
I
I
O
O
I/O
I/O
-
-
-
Pin
No.
Symbol I/O Function
13
14
15
16
17
18
19
20
21
22
23
24
IFC
VDD
FMIN
AMIN
DGND
FMCP
VT
AMCP
VCC
RF
AGND
XIN
IF signal input
Power pins for digital block
FM band local signal input
AM band local signal input
Connect to GND (for digital circuit)
Charge pump output for FM
Tuning voltage biased to 2.5V.
Charge pump output for AM
Power pins for analog block
Ripple filter connecting pin
Connect to GND (for analog circuit)
Crystal oscillator pin
I
-
I
I
-
O
-
O
-
I
-
I
3.Pin Function
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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