STV8217 datasheet(122/156 Pages) STMICROELECTRONICS

номер детали	STV8217

подробное описание детали	Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders

PDF	156 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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122 / 156 page

STV82x7

122/156

HP_LOUDNESS

12.18 Volume

VOLUME_MODES

Set the Volume Modes

LS_LOUD_ON

0: Loudness is not active on LS output

1: Loudness is active on LS output

Address: D6h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

HP_LOUD_THRESHOLD[2:0]

HP_LOUD_GAIN_HR[2:0]

HP_

LOUD_ON

Bit Name

Reset

Function

Bit 7

Reserved.

HP_LOUD_

THRESHOLD[2:0]

000

Define the volume threshold level since which loudness effect is applied :

000: 0 dB

100: -24 dB

001: -6 dB

101: -32 dB

010: -12 dB

110: -36 dB

011: -18 dB

111: -42 dB

HP_LOUD_GAIN_

HR[2:0]

010

Define the amount of Treble added by loudness effect:

000: 0 dB

100: 12 dB

001: 3 dB

101: 15 dB

010: 6 dB

110: 18 dB

011: 9 dB

111: 21 dB

HP_LOUD_ON

0: Loudness is not active on HP output

1: Loudness is active on HP output

Address: D7h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

ANTICLIP_HP

_VOL_CLAMP

ANTICLIP_LS

_VOL_CLAMP

SCART_

VOLUME_

MODE

SRND_

VOLUME_

MODE

HP_

VOLUME_

MODE

LS_

VOLUME_

MODE

Bit Name

Reset

Function

ANTICLIP_HP_VOL

_CLAMP

The output level is clamped depending on the HP Bass-Treble value to avoid any possible signal

clipping on HP output.

0: Volume clamp on HP output is not active

1: Volume clamp on HP output is active

Bit Name

Reset

Function

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