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參數(shù)資料
| 型號： | UPD17071GB-012-1A7 |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| 中文描述： | 4位單片機與鎖相環(huán)頻率合成器控制器的便攜式調(diào)頻/調(diào)幅廣播電視 |
| 文件頁數(shù)： | 24/48頁 |
| 文件大?。?/td> | 296K |
| 代理商： | UPD17071GB-012-1A7 |
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μ
PD17071GB-012
24
Momentary Key
Function Description
The operation of each key is as follows depending on the write status of the preset memory.
Key
Function description
–
When initialization diode switch MEMSEL = 0
Data is written to a preset memory and the preset memory write
status is released.
When initialization diode switch MEMSEL = 1
This key is invalid.
When initialization diode switch MEMSEL = 0
This key is invalid.
When initialization diode switch MEMSEL = 1
Increments the preset memory to be written by one station. Preset
memory M1 is selected next if preset memory M10 is selected.
When initialization diode switch MEMSEL = 0
Releases the preset memory write status.
When initialization diode switch MEMSEL = 1
Writes data to a preset memory and releases the preset memory
write status.
Releases the preset memory write status, and performs the operation
of the key pressed.
/
Performs the operation of the key pressed.
The preset memory write status continues.
(2) Auto store memory (when MEMSEL = 1)
The auto store memory operation is started by holding down the
longer.
During auto store memory operation, this key operates as the
For the auto store memory operation, refer to the description on the
key for 2 seconds or
key.
key.
ALARM
CHECK
MODE
+5
MEMORY
MEMORY UP
AUTO STORE
MEMORY
M1
M5
BAND
UP
DOWN
STOP
SLEEP
MEMORY
AUTO STORE
AUTO STORE
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