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)： 15/80頁
文件大?。?/td> 1590K
代理商： UPD1723GF-213
15
μ
PD1723GF-013,
μ
PD1723GF-213
CONTENTS
1.
KEY MATRIX CONFIGURATION ....................................................................................................
16
1.1
KEY MATRIX LAYOUT .............................................................................................................................16
1.2
SWITCH CONNECTION.............................................................................................................................17
1.3
KEY MATRIX CONNECTION ...................................................................................................................17
1.4
DESCRIPTION OF KEY MATRIX ............................................................................................................18
2.
MODE TRANSITION .........................................................................................................................
53
2.1
WHEN INITIALIZE DIODE RDON = 1 (RADIO ON/OFF BY CE PIN) .............................................53
2.2
RADIO ON/OFF BY RDSET SWITCH....................................................................................................55
2.3
DESCRIPTION OF EACH MODE.............................................................................................................57
2.4
RADIO ON/OFF BY
KEY ................................................................................................58
POWER
3.
DISPLAY
3.1
3.2
3.3
SEGMENT LINES .......................................................................................................................................59
3.4
COMMON LINES ........................................................................................................................................59
3.5
LCD ASSIGNMENT TABLE......................................................................................................................60
3.6
DESCRIPTION OF DISPLAYS ..................................................................................................................61
LCD PANEL.................................................................................................................................................59
FONT ............................................................................................................................................................59
4.
RADIO MUTE OUTPUT TIMING (RDMUTE) ..............................................................................
63
4.1
RADIO MUTE (RDMUTE PIN) OUTPUT TIMING CHARTS..............................................................63
4.2
RADIO MUTE (RDMUTE PIN) AND AUDIO MUTE (AMUTE PIN)
OUTPUT TIMING CHARTS .......................................................................................................................67
5.
PIN I/O CIRCUITS ............................................................................................................................
69
6.
APPLICATION CIRCUITS..................................................................................................................
71
6.1
POWER ON/OFF (NO CLOCK DISPLAY AT POWER OFF)
BY ALTERNATE SWITCH ( ) ..............................................................................................................71
6.2
POWER ON/OFF (CLOCK DISPLAY AT POWER OFF) BY ALTERNATE SWITCH ( )...........72
6.3
POWER ON/OFF (CLOCK DISPLAY AT POWER OFF) BY MOMENTARY SWITCH ( )........73
7.
ELECTRICAL SPECIFICATIONS .......................................................................................................
74
8.
PACKAGE DIMENSION ....................................................................................................................
76
9.
RECOMMENDED SOLDERING CONDITIONS ..............................................................................
78
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