參數(shù)資料
型號(hào): 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(yè)數(shù): 27/48頁(yè)
文件大?。?/td> 296K
代理商: UPD17071
μ
PD17071GB-012
27
Momentary Key
Function Description
The operation of each key is as follows during seek up/down operation.
Key
Function description
If the key is pressed while the seek up operation is in progress, the seek
operation is stopped, and the frequency at which the seek operation was
started is received.
During the seek down operation, the seek up operation is started.
If the key is pressed while the seek down operation is in progress, the
seek operation is stopped and the frequency at which the seek operation
was started is received.
During the seek up operation, the seek down operation is started.
Stops the seek operation and performs the operation of the key pressed.
~
Performs the operation of the key pressed.
The seek operation continues.
Any key other than above is invalid.
(2) Adjusting time and setting alarm time (when radio is OFF)
By pressing the
or
time can be adjusted.
The following operation is performed in the alarm time setting mode and time adjust mode.
key in the alarm time setting mode or time adjust mode, the
Key
Digit to be
adjusted
Time to hold
down key
Operation
Minute digit
Less than
0.5 second
Increments time by 1 minute each time the key
is pressed.
0.5 second
or longer
Fast-forward the time at a rate of 8 minutes/
second until the key is released. No carry to the
hour digit occurs. Each time the minute digit has
been adjusted, the second count value is reset.
Hour digit
Less than
0.5 second
Increments time by 1 hour each time the key is
pressed.
0.5 second
or longer
Fast-forwards the time at a rate of 4 hours/
second until the key is released. The minute
digit and second count value are not affected.
DOWN
UP
UP
DOWN
BAND
ALARM
CHECK
+5
STOP
MEMORY UP
M1
M5
DOWN
UP
UP
DOWN
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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
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UPD17072GB 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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