WM8972LEFLSLASHR datasheet(22/49 Pages) WOLFSON

部件名	WM8972LEFL/R

功能描述	MONO CODEC FOR PORTABLE AUDIO APPLICATIONS

PDF	49 Pages

Scroll/Zoom	100%

制造商	WOLFSON [Wolfson Microelectronics plc]

网页	http://www.wolfsonmicro.com

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22 / 49 page

WM8972L

Preliminary Technical Data

PTD Rev 2.2 June 2004

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

Bass Boost

0 = Linear bass control

1 = Adaptive bass boost

Bass Filter Characteristic

0 = Low Cutoff (130Hz at 48kHz sampling)

1 = High Cutoff (200Hz at 48kHz sampling)

Bass Intensity

Code

BB=0

BB=1

0000

+9dB

15 (max)

0001

+9dB

0010

+7.5dB

0011

+6dB

0100

+4.5dB

0101

+3dB

0110

+1.5dB

0111

0dB

1000

-1.5dB

1001

-3dB

1010

-4.5dB

1011

-6dB

1100

-6dB

1101

-6dB

1110

-6dB

R12 (0Ch)

Bass Control

3:0

BASS

[3:0]

1111

(Disabled)

1111

Bypass (OFF)

Treble Filter Characteristic

0 = High Cutoff (8kHz at 48kHz sampling)

1 = Low Cutoff (4kHz at 48kHz sampling)

R13 (0Dh)

Treble Control

3:0

TRBL

[3:0]

1111

(Disabled)

Treble Intensity

0000 or 0001 = +9dB

0010 = +7.5dB

… (1.5dB steps)

1011 to 1110 = -6dB

1111 = Disable

Table 11 Graphic Equaliser

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