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STV82X6 データシート(PDF) 23 Page - STMicroelectronics

部品番号 STV82X6
部品情報  Multistandard TV Audio Processor and Digital Sound Demodulator
PDF  95 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV82X6 データシート(HTML) 23 Page - STMicroelectronics

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



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