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参数资料
| 型号： | TA2159F |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | 10 X 10 MM, 0.50 MM PITCH, PLASTIC, QFP-64 |
| 文件页数： | 2/28页 |
| 文件大小： | 370K |
| 代理商： | TA2159F |
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TA2159F
2002-10-03
10
PIN
No.
Symbol
Pin Name
Function and Operation
Remarks
24
TUNER
Power
Tuner block
power control
output
Turns on/off a PNP transistor and controls
(switches on/off) the tuner block power
supply.
At power on (D5
= 1): Outputs Low.
At power off (D5
= 0): Open
When the radio is off or in Sleep mode,
the pin is open.
At Radio on or Sleep is released, the pin
outputs Low.
RW (DIN)
DATA
(DOUT)
CLOCK
Serial data
input/output
When BUS dis
= Low, inputs/outputs
serial data.
Switches the pin function according to the
state of pin 12 (UART/3BUS).
UART Pin 12
= High
Pin 25
= DIN
Pin 26
= DOUT
Pin 27
= Open
3BUS Pin 12
= “L”
Pin 25
= RW
Pin 26
= DATA
Pin 27
= CLOCK
When the operation is only by the UP key
without the cable, pullup 25 pin, and fix
the input High for both UART and 3BUS.
25, 26, 27
OUT “L”
SCAN
SCAN key
input
When BUS dis
= High:
Since pins 25 and 26 output Low, leave
open or connect to GND.
Pin 27 inputs active high SCAN key
signal.
1.
Pressing the SCAN key and
UP-SEARCH keys together, the auto
pre-set scan starts from the point at
the UP-SERCH key is at High.
If no station detected, selects fmin.
76 MHz or 87.5 MHz, outputs a
beep, and turns off the radio.
2.
Every time the SCAN key is at High
level, calls the memorized stations
sequentially. (Max 10 station)
When not using the SCAN key, set pin 27
to Low.
32
RESET
Reset input
Device system reset signal input pin.
While RESET is at Low level, a reset is
applied. When RESET reaches High
level, the program starts from address 0.
Start the program after VDD reaches the
specified value.
32
VDD
24
60
k
9
25
26
27
25, 26, 27
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