STV8216 datasheet(74/97 Pages) STMICROELECTRONICS

부품명	STV8216

상세설명	Multistandard TV Audio Processor and Digital Sound Demodulator

PDF	97 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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74 / 97 page

STV82x6

74/97

9.15

Loudness/Bass & Treble

LS_LOUD

Loudspeaker Loudness Control Register

HP_BT_CTRL

Headphone Bass/Treble Control

Address (hex): 66h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LOUD_ON

LOUD_TH[2:0]

LOUD_FREQ

LOUD_GHR[2:0]

Bit Name

Reset

Function

LOUD_ON

Loudness Enable

0: Loudness disabled

1: Loudness enabled

LOUD_TH[2:0]

000

Loudness Threshold

Programmable values are listed in Table 26.

LOUD_FREQ

Bass Cut-off Frequency Select

0: 40 Hz bass cut-off frequency (Normal mode)

1: 120 Hz bass cut-off frequency (Bass Amplified mode)

LOUD_GHR[2:0]

010

Loudness Maximum Treble Gain

Programmable values are listed in Table 26.

Table 26: Loudness Control Values

Bitfield Value

Threshold (dB)

LOUD_TH[2:0]

Max. Treble Gain (dB)

LOUD_GHR[2:0]

000

0 (Default)

001

-6

010

-12

6 (Default)

011

-18

100

-24

101

-30

110

-36

111

-42

Reserved

Address (hex): 71h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

BT_ON

00000

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