Pin No.
Pin Name
I/O
Description
12
I
I
I
—
—
O
I
I
—
—
I
I
I
I
I
—
—
O
O
O
O
O
O
O
O
—
—
—
—
—
O
O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
36
37
38
39
40
41
VAD SELL
TM1
IF IN
VDD1
PLL REG
PLL OUT
OSC L
OSC H
GND
TEST
RESET
ST IN
E
U
W
POA0
POA1
IF REQ
POWER OUT
TU OUT
AM OUT
FM OUT
TV OUT
NSB OUT
FM/TV OUT
SCK
REG1
CAP2
CAP3
REG2
COM0
COM1
IC DESCRIPTION
IC, UPD17934A-514
"H" is input when power voltage is 3.0 V. "L" is input when power voltage is 1.5 V.
Not used.
IF counter input.
Power suply.
PLL regulator pin.
PLL charge pomp output.
PLL local oscillator (L) input
PLL local oscillator (H) input
GND
Not used.
Reset input.
Stereo indicator input
Destination setting pin. "L" input for Europe.
Destination setting pin. "L" input for US.
TV/WEATHER select pin for WIDE specifications
Not used.
Not used.
Outputs "H" when IF output is requested.
Outputs "H" when tuner, alarm, or timer is turned on.
Outputs "H" when tuner is turned on.
Outputs "H" in AM band.
Outputs "H" in FM band.
Outputs "H" in TV band.
Outputs "H" in NSB band.
Outputs "H" in FM/TV band.
Not used.
Not used.
Not used.
Beep output
Power supply.
LCD condenser connect pin
LCD regulator pin
LCD condenser connect pin
LCD regulator pin
LCD common output
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9
2
8
9
4
2
9
8
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9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
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