STV82X8 datasheet(92/157 Pages) STMICROELECTRONICS

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STV82x8

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AUDIO_MATRIX3

AudioMatrix part configuration

CHANNEL_MATRIX_LS

Channel Matrix Configuration

Address: A4h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SPDIF_OUT

DELAY_OUT

Bit Name

Reset

Function

Bits[7:6]

Reserved.

SPDIF_OUT[1:0]

010

Select the source to output on SPDIF. See table 4.

DELAY_OUT[1:0]

010

Select the source to output on DELAY. See table 4.

Table 13: AudioMatrix Input Sources

Parameter

Coding (bin)

Parameter

Field Lebel

Function

000

MUTE

Mute Output

001

DELAY

Delay Input

010

DEMOD

BTSC Demod Input

011

LtRt

Downmix LtRt Input

100

I2S

I2S Input

101

SCART

SCART Input

110

Reserved

111

Reserved

Address: A5h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

AUTOSTD_CT

RL_LS

AUTOSTD_CT

RL_SPDIF

CM_MATRIX_LS[2:0]

Bit Name

Reset

Function

AUTOSTD_CTRL_L

If this bit is activated, Autostandard algorithm will select automaticaly the appropriate matrixing

(Bits[2:0]) for LS output channels depending on the detected standard (see table 6).

Manual Matrix Selection

Automatic Matrix Selection if AutoStandard is ON

Note: Automatic Matrix Selection must be used only when DEMOD signal is directed to the Matrix.

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