參數(shù)資料
型號(hào)： UPD17071GB-012
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(jī)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(yè)數(shù)： 21/48頁(yè)
文件大?。?/td> 296K
代理商： UPD17071GB-012
μ
PD17071GB-012
21
Momentary Key
Function Description
This keys sets or cancels the alarm and cancels alarm sound output.
This key is valid when the watch function is used (when a high level is input to the CLKENA pin (pin 56)).
When initialization diode switch STOPSEL = 0
For setting or canceling alarm
When initialization diode switch STOPSEL = 1
For setting or canceling alarm and canceling alarm sound output
(1) Setting/canceling alarm
By pressing the
When the
While the time is being adjusted and while the alarm time is being set, however, the alarm cannot be
set or canceled.
For an explanation of how to set the alarm time, refer to the description on the
(2) Canceling alarm sound output (when STOPSEL = 1)
By pressing the
key when the alarm sound is being output, the output of the alarm can
be stopped.
(3) Locking momentary key (when STOPSEL = 1)
The momentary key is locked when the
held down.
For key locking, refer to the description on the
key, the alarm is set at specified time.
key is pressed again with the alarm set, the alarm is canceled.
key.
key is pressed while the
key is
key.
This is a key for auto store memory.
It is valid when the radio is ON and the initialization diode switch MEMSEL = 0.
Auto store memory
The auto store memory operation is started when the
This operation automatically searches a station and writes it to the preset memory.
During the auto store memory operation, the frequency being sought is displayed.
Searching is started from the lowest frequency in a band, and is completed when the highest frequency
is found.
When stations are found they are stored started from preset M1. When stations have been stored up
to M10, the auto store memory operation is completed. If the highest frequency is found before a station
is written to M10, the auto store memory operation is stopped at that point. The operation of each key
during auto store memory operation is as follows:
key is pressed.
Key
Function Description
Stops auto store memory operation.
If station is written to preset memory as result of auto store memory
operation, preset M1 is received.
If no station is written to preset memory as result of auto store memory
operation, frequency or preset station, when auto store memory operation
is started, is received.
Stops auto store memory operation and changes band.
Performs operation of pressed key.
Auto store memory operation continues.
Any key other than above is invalid.
ALARM
ALARM
ALARM
MODE
MODE
MODE
AUTO STORE
ALARM
AUTO STORE
AUTO STORE
CHECK
STOP
BAND
ALARM
ALARM
相關(guān)PDF資料
PDF描述
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