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參數(shù)資料
| 型號： | UPD17071 |
| 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 |
| 文件頁數(shù)： | 28/48頁 |
| 文件大小： | 296K |
| 代理商： | UPD17071 |
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μ
PD17071GB-012
28
2.5 Alarm Function
The alarm function outputs an alarm sound at specified alarm time every day.
Only one alarm time can be set.
When the watch function is not selected on initialization, the alarm function cannot be used.
For initialization of the watch function, refer to the description on the CLKENA pin (pin 56).
(1) Setting of alarm time
To set alarm time, select the alarm time setting mode when the radio is OFF.
Each time the
key is pressed when the radio is OFF, the mode is changed as follows:
MODE
The alarm time can be adjusted by using the
The operation is as follows in the alarm time setting mode.
and
key in the alarm time setting mode.
Key
Digit to Be Adjusted
Time to Hold Down Key
Operation
Minute digit
Less than 0.5 second
Increments the minute by one each time the key is pressed.
0.5 second or longer
Increments the minute at a rate of 8 minutes/second until
key is released.
Hour digit
Less than 0.5 second
Increments the hour by one each time the key is pressed.
0.5 second or longer
Increments the hour at a rate of 4 hours/second until the
key is released.
The initial alarm time on power application is “00:00” (midnight).
(2) Setting/releasing alarm
By pressing the
When the time has reached the alarm time set, output of the alarm sound is started.
The alarm can be released by pressing the
However, the alarm cannot be set or released in the time adjust mode or alarm time setting mode.
key, the alarm is set for the time set.
key again while the alarm is set.
(3) Canceling alarm sound output
Output of the alarm sound is stopped if the key for canceling the alarm sound output is pressed while the alarm
sound is being output.
The following key is used as the key for canceling the alarm sound output, depending on the initialization.
When initialization diode switch STOPSEL = 0
key
When initialization diode switch STOPSEL = 1
key
The output of the alarm sound continues for 10 minutes from the start, or until it is canceled.
STOP
UP
DOWN
UP
DOWN
ALARM
ALARM
ALARM
Watch display
Alarm time setting mode
Watch adjust mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| UPD17071GB-012 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| UPD17071GB-012-1A7 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| UPD17072 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM |
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| UPD17072GB-XXX-1A7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
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