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IC DESCRIPTION-1/4 (TC9256P)-1/1
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3 7 63 1515 0
Pin No.
Pin Name
1
XT
______
2
XT
3
PERIOD
4
CLOCK
5
DATA
6
TUN-ON
7
FM-ON
8
LW/MW
9
VDD
10
AMIN
11
FMIN
12
GND
13
IFIN
14
ST. -IN
15
DO1
16
DO2
TE
L 13942296513
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I/O
Crystal ocsillator pins. Connect 7.2MHz crystal oscillator to supply reference frequency and
I
internal clock.
Crystal ocsillator pins. Connect 7.2MHz crystal oscillator to supply reference frequency and
O
internal clock.
I
Period signal input.
I
Clock signal input.
I/O
Serial data input / output
O
Tuner-on Switch.
O
FM-on Switch.
High : MW
O
Low : LW
—
Power supply pins.
I
These pins input FM and AM band local oscillator signals by capacitor coupling.
I
These pins input FM and AM band local oscillator signals by capacitor coupling.
—
Ground.
I
Counter frequency measurement input.
I
Counter frequency measurement input.
O
These pins are for phase comparator tristate output.
O
These pins are for phase comparator tristate output.
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
-24-
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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