STV82X7 datasheet(109/156 Pages) STMICROELECTRONICS

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STV82x7

Note:

How to useTruSurround XT:

- Implementation of TruSurround XT is done by setting the TRUSRND_ON bit to 1.

- TruSurround XT mode must be selected by TRUSRND_

INPUT_ MODE[3:0] bits.

- Activation or non-activation of TruSurround XT must be done by using the TRUSRND_MODE bit.

TRUSRND_INPUT_GAIN

TRUSRND_HP_DCL

Bit Name

Reset

Function

Bit 7

Reserved.

TRUSRND_MONO

_SRND

0: Left mono Srnd mode

1: Right mono Srnd mode

TRUSRND_

INPUT_ MODE[3:0]

0000

0000: Mono

0001: L/R stereo (SRS mode)

0010: L/R/S (SRS mode, Prologic 1 Process)

0011: L/R/Ls/Rs (SRS mode)

0100: L/R/C (TruSurround mode)

0101: L/R/C/S (TruSurround mode, Prologic 1 Process)

0110: L/R/C/Ls/Rs (TruSurround mode)

0111: Lt/Rt (TruSurround mode)

1000: L/R/C/Ls/Rs (SRS mode, BS Digital Broadcast)

1001: L/R/C/Ls/Rs (TruSurround, Prologic 2 Music mode)

TRUSRND_MODE

0: TruSurround mode

1: Bypass mode

TRUSRND_ON

0: TruSurround OFF

1: TruSurround ON

Address: B6h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

TRUSRND_INPUT_GAIN[7:0]

Bit Name

Reset

Function

TRUSRND_INPUT_

GAIN[7:0]

0000

Input Gain attenuation:

0000 0000: 0 dB

0000 0001: -0.5 dB

...

1111 1111: -127.5 dB

Address: B7h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

DIALOG_

CLARITY_ON

HEADPHONE

_ON

STV82X7 Datasheet(PDF) 109 Page - STMicroelectronics

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