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參數(shù)資料
| 型號(hào)： | 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)： | 29/80頁 |
| 文件大?。?/td> | 1590K |
| 代理商： | UPD1723GF-213 |
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29
μ
PD1723GF-013,
μ
PD1723GF-213
Output
40 ms
MODE Pin LOW Output
Mode Switching by TPSET, CDSET Switch
MAX
20 ms
Output
MAX
20 ms
40 ms
MODE Pin LOW Output
Mode Switching by TPSET, CDSET Switch
625 to 750 ms
Function
Symbol
Switch that enables the NR
2
(Noise Reduction) function in the tape mode.
Its settings are shown below.
ENNR2
NR
Description
NR
2
function cannot be used.
When the
key or NR function key (selected by KNR switch) is pressed,
the LCD panel “NR
1
” display and NR
1
pin output changes as follows:
“NR
1
” display OFF “NR
1
” display ON
NR
1
pin Low output NR
1
pin High output
Both the NR
1
and NR
2
functions can be used.
When the
key or NR function key (selected by KNR switch) is pressed,
the LCD panel “NR
1
” and “NR
2
” displays and NR
1
and MONO/NR
2
pins output change
as follows:
“NR
1
”
display OFF
NR
1
pin
Low output
“NR
2
”
display OFF
MONO/NR
2
pin
Low output
→
“NR
1
”
display ON
NR
1
pin
High output
“NR
2
”
display OFF
MONO/NR
2
pin
Low output
“NR
1
”
display OFF
NR
1
pin
Low output
“NR
2
”
display ON
MONO/NR
2
pin
High output
0
1
Sets the RDMUTE pin output method in the tape and CD modes.
Its settings are shown below.
MUTESEL
ENNR2
When MUTESEL = 1 is set, do not use the DK standby and radio monitor functions.
In the tape and CD modes, muting remains ON.
For details, see
4 “Radio Mute Output Timing”.
0
1
MUTESEL
RDMUTE Pin Output
In the tape and CD modes, muting is turned off.
NR
→
→
→
RDMUTE Pin
RDMUTE Pin
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