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參數(shù)資料
| 型號： | TA2159F |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, PLASTIC, QFP-64 |
| 文件頁數(shù)： | 26/28頁 |
| 文件大?。?/td> | 370K |
| 代理商： | TA2159F |
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TA2159F
2002-10-03
7
2. PLL microcontroller
PIN
No.
Symbol
Pin Name
Function and Operation
Remarks
7
IF-NOISE
IF amp input
noise cut
control output
Cuts noise on the IF amp input pin at
normal reception by connecting via C to
pins 50 (IF REQ) and 19 (IF IN).
At normal reception: Outputs Low level.
At IF seek: Open
8
TEST1
Test mode
control input
Inputs Test mode control signal.
When High is input, Test mode; when
Low, normal operation.
Use by applying Low level.
9
AREA
Area input
Inputs area setting signal.
Japan: Inputs High
76~90 MHz @100 kHz steps
Eur. and U.S.A.: Inputs Low
87.5~108 MHz @50 kHz steps
10
BUS dis
Transmission
mode
switching
input
Inputs Transmission/No-Transmission
mode selection signal.
Transmission mode: Inputs Low.
Pin 25: RW (DIN)
Pin 26: DATA (DOUT)
Pin 27: CLOCK
No-Transmission mode: Inputs High.
Pin 25: Outputs Low.
Pin 26: Outputs Low.
Pin 27: SCAN input
Output Low is set at SLEEP
= Low mode.
Insert pullup resistor to input High at
No-Transmission mode
11
UP key
UP-SEARCH
key input
Starts up-search when UP-SEARCH key
is Low. Automatically detects a station
and stops. If no station detected at
transmission mode, continue searching. If
no station detected after a whole search
at no-transmission mode, selects fmin.
76 MHz or 87.5 MHz, outputs a beep, and
turns off the radio. The radio turns on
when the up key is pressed, and starts
up-search.
When not using keys, leave the pin open.
When SLEEP
= Low, output is set to Low
(pull-up off).
50
19
16
IF REQ
IF IN
7
IF Count
MUTE
22 k
W
3.
3
k
9
8
TEST1
11
R
9
AREA
Japan
Elsewhere
10
Transmission
mode
No-Transmission
mode
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