參數(shù)資料
型號： STV8226
廠商： 意法半導(dǎo)體
英文描述： Multistandard TV Audio Processor and Digital Sound Demodulator
中文描述： 多標(biāo)準(zhǔn)電視音頻處理器和數(shù)字聲音解調(diào)器
文件頁數(shù)： 2/97頁
文件大?。?/td> 1871K
代理商： STV8226
STV82x6
2/97
Table of Contents
Chapter 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.1
Overview ..............................................................................................................................5
1.2
Typical Applications .........................................................................................................6
1.3
I/O Pin Description .............................................................................................................10
Chapter 2
Demodulator Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
2.1
Digital Demodulator ............................................................................................................12
2.2
System Clock .....................................................................................................................16
Chapter 3
Audio Processor Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
3.1
Main Features ....................................................................................................................17
3.2
Smart Volume Control (SVC) .............................................................................................18
3.3
ST WideSurround ...............................................................................................................19
3.4
5-Band Audio Equalizer .....................................................................................................19
3.5
Bass/Treble Control ...........................................................................................................19
3.6
Volume/Balance Control ....................................................................................................20
3.7
Automatic Loudness Control ..............................................................................................22
3.8
Subwoofer Control .............................................................................................................22
3.9
Beeper ................................................................................................................................22
3.10
SRS 3D Surround (STV8226/36 only) ............................................................................23
Chapter 4
Audio Matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
4.1
Input Audio Matrix ..............................................................................................................26
4.2
Output Audio Matrix ...........................................................................................................26
Chapter 5
Additional Controls and Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
5.1
Interrupt Request ...............................................................................................................27
5.2
I2C Bus Expander ...............................................................................................................27
5.3
Stereo Flag .........................................................................................................................27
5.4
Headphone Detection ........................................................................................................27
Chapter 6
I2S Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
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