STV82X6 STMICROELECTRONICS [STMicroelectronics], STV82X6 Datasheet - Page 23

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

STV82x6
4
(AI1L, AI1R)
(AI2L, AI2R)
(AI3L, AI3R)
MONOIN
Audio Matrices
In addition to the sound carrier source (SIF), the STV82x6 accepts up to three analog stereo audio
inputs (2 V
sources can go back out through four analog stereo audio outputs which are Loudspeaker +
Subwoofer and Headphone (1 V
digital stereo output (I²S compatible) is available for interfacing with a Dolby Pro Logic Decoder or
an external Digital-to-Analog Converter (DAC).
SIF
SDI
Demodulator
SCART1 In
SCART2 In
SCART3 In
RMS
Mono In
I²S
SCART compatible) and one analog mono audio input (0.5 V
ANA_SCART (06h)
Low Noise
CH_MX (48h)
SW4
Switch
Figure 14: Audio Matrix Block Diagram
Demod.
CH_MX (48h)
Matrix
Matrix
A/D
Prescaling
I²S
RMS
Level
SCART
CH_MX (48h)
Matrix
) and two compatible SCART audio outputs (2 V
SW2
CH_LANG (4Ah)
CH_SEL (49h)
CH_SEL (49h)
CH_SEL (49h)
SW3
SW1
SW5
CH_LANG (4Ah)
CH_LANG (4Ah)
CH_SEL (49h)
Select
Select
Lang.
Lang.
Select
Select
Lang.
Lang.
D/A
Low Noise
Low Noise
Switch
ANA_SCART (06h)
ANA_SCART (06h)
Switch
CH_LANG (4Ah)
SW6
SW7
Audio
DSP
Audio
DSP
Low Noise
Low Noise
Mute
Mute
D/A
D/A
Low Noise
Low Noise
D/A
Low Noise
I²S
Mute
Mute
SCART1 Out
SCART2 Out
Mute
SW
RMS
LS
SDO
HP
). These different
Audio Matrices
(LSL, LSR)
SW
(AO1L, AO1R)
(AO2L, AO2R)
(HPL, HPR)
RMS
). An extra
23/95