STV82X8 datasheet(95/157 Pages) STMICROELECTRONICS

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STV82x8

Bit Name

Reset

Function

CM_SOURCE_SPD

IF[2:0]

000

Select the source to copy on SPDIF channel. See table 7.

CM_POSITION_SP

DIF[1:0]

Select the position for the SPDIF matrix. See block diagram.

CM_MATRIX_SPDI

F[2:0]

0000

Select the matrixing for the SPDIF channels. See table 5.

Table 14: Channel Matrix Modes

Parameter

Coding (Bin)

Parameter Field Lebel

Function

000

BYPASS

Bypass Stereo Signal

001

LEFT ONLY

Copy Left Signal On Both Channels

010

RIGHT ONLY

Copy Right Signal On Both Channels

011

LEFT + RIGHT MIX

Copy (Left + Right)/2 On Both Channels

100

SWAP

Swap Channel (Left = Right, Right = Left)

101

Reserved

110

Reserved

111

Reserved

Table 15: Automatic Channel Matrix Modes

Standard

Detected by

Autostandard

MONO_SAP_CTRL_MATRIX

reg 0x8A, bit[6] value = 0

MONO_SAP_CTRL_MATRIX

reg 0x8A, bit[6] value = 1

Left Output

Right Output

Left Output

Right Output

Mono

Mono Signal

Stereo

Left Signal

Right Signal

Left Signal

Right Signal

SAP

SAP Signal

Mono Signal

SAP Signal

Table 16: Channel Matrix Source Selection

Parameter

Coding (Bin)

Parameter Field Lebel

Function

000

BYPASS

bypass stereo signal coming from Audiomatrix

001

LS Channels

copy signal from LS channels

010

HP Channels

copy signal from HP channels

011

C/Sub Channels

copy signal from C/Sub channels (ONLY

AVAILABLE ON SPDIF CHANNEL MATRIX)

100

Ls/Rs Channels

copy signal from Ls/Rs channels (ONLY

AVAILABLE ON SPDIF CHANNEL MATRIX)

101

Reserved

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