STV82X6 STMICROELECTRONICS [STMicroelectronics], STV82X6 Datasheet - Page 2

• Manufacturer Part Number: STV82X6
• Description: Multistandard TV Audio Processor and Digital Sound Demodulator
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
2/95
1.1
1.2
1.3
2.1
2.2
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
4.1
4.2
5.1
5.2
5.3
5.4
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Overview .............................................................................................................................. 5
Typical Applications
I/O Pin Description ............................................................................................................... 8
Demodulator Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Digital Demodulator ............................................................................................................ 10
System Clock ..................................................................................................................... 14
Audio Processor Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Main Features .................................................................................................................... 15
Smart Volume Control (SVC) ............................................................................................. 16
ST WideSurround ............................................................................................................... 17
5-Band Audio Equalizer ..................................................................................................... 17
Bass/Treble Control ........................................................................................................... 17
Volume/Balance Control .................................................................................................... 18
Automatic Loudness Control .............................................................................................. 20
Subwoofer Control ............................................................................................................. 20
Beeper ................................................................................................................................ 20
SRS™ 3D Surround (STV8226/36 only) ............................................................................ 21
Audio Matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Input Audio Matrix .............................................................................................................. 24
Output Audio Matrix ........................................................................................................... 24
Additional Controls and Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Interrupt Request ............................................................................................................... 25
I²C Bus Expander ............................................................................................................... 25
Stereo Flag ......................................................................................................................... 25
Headphone Detection ........................................................................................................ 25
I²S Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Table of Contents
......................................................................................................... 5
STV82x6