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參數(shù)資料
| 型號： | UPD1723GF-013 |
| 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)： | 9/80頁 |
| 文件大小： | 1590K |
| 代理商： | UPD1723GF-013 |
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9
μ
PD1723GF-013,
μ
PD1723GF-213
PIN NAME
PIN No.
SYMBOL
Radio mute signal output pin.
This pin operates as follows:
Radio mode
Low level is output at radio ON/OFF, band switching,
and receiving frequency switching.
Tape and CD modes
High level or Low level can be selected by MUTESEL
switch of the diode matrix to be described later.
However, when using the DK standby or radio moni-
tor function, set the MUTESEL switch to 0 and select
low level output.
For more information, see
4 “Mute Output Timing
Chart”.
Tape and CD mute signal output pin at DK ON and
radio monitor ON.
In the radio mode, Low level is output and in the tape
and CD modes, High level is output. When DK is turned
on during DK standby and in the radio monitor mode,
low level is output.
For more information, see
4 “Mute Output Timing
Chart”.
DESCRIPTION
Output
TYPE
Radio mute
output
14
RDMUTE
CMOS
pushpull
Audio mute
output
15
AMUTE
CMOS
pushpull
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