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參數(shù)資料
| 型號： | UPD1723GF-213 |
| 廠商： | NEC Corp. |
| 英文描述： | PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
| 中文描述： | 鎖相環(huán)頻率合成器和控制器的調(diào)頻/中波/低頻調(diào)諧器汽車音響 |
| 文件頁數(shù)： | 48/80頁 |
| 文件大?。?/td> | 1590K |
| 代理商： | UPD1723GF-213 |
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48
μ
PD1723GF-013,
μ
PD1723GF-213
Function
Symbol
AUTO500
Description
MAN UP
MAN DWN
SEEK UP
SEEK DWN
RDMUTE
Pin
Within
0.5 sec
MAN UP
Key OFF
MAN UP
Key OFF
MAN UP
Key OFF
76.0
76.1
76.2
76.3
RDMUTE
Pin
Approx. 0.5 sec.
MAN UP
Key OFF
76.0
76.1
76.2
76.3
76.4
76.5
IF and SD check is not
performed at the first
1 channel up.
SD, IF
No Station
SD, IF
Station
Each time a key is pressed, the frequency is incremented (
key)
or decremented (
key) one step. When the key is held down for
more than 0.5 seconds, the seek operation (seek up for
and
seek down for
) starts at the point after 0.5 seconds. This seek
operation is the same as that of the
and
keys.
After the key was held down for more than 0.5 seconds, the seek operation
continues even if the key is released.
Example 1)
When key released within 0.5 seconds
Example 2)
When key held down for more than 0.5 seconds
MAN DWN
SEEK UP
SEEK DWN
When the AUTO500 switch was set to 1, do not use the
and
keys.
During clock display
When the clock is displayed and the
key was pressed and held, the minute
and hour digits are adjusted by pressing the
and
keys.
For a description of the minute and hour digits adjustment method, see the
key above.
LOUD (LOUDNESS) control key.
It is valid in the radio, tape, and CD modes.
Each time this key is pressed, the LCD panel “LOUD” display and the LOUD pin (pin 19)
output are inverted.
The LOUD state is held even when radio, tape, and CD mode switching is performed.
When the power is turned on, the OFF state is set (“LOUD” display OFF, LOUD pin LOW
level).
ME
LOUD
MAN UP
MAN DWN
MAN UP
ME
MAN UP
MAN DWN
1
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