WM8976 datasheet(47/108 Pages) WOLFSON

номер детали	WM8976

подробное описание детали	Stereo CODEC With Speaker Driver

PDF	108 Pages

Scroll/Zoom	100%

производитель	WOLFSON [Wolfson Microelectronics plc]

домашняя страница	http://www.wolfsonmicro.com

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47 / 108 page

Pre-Production

WM8976

PP Rev 3.0 April 2006

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

4:0

EQ3G

01100

(0dB)

Band 3 Gain Control. See Table 36 for

details.

6:5

EQ3C

Band 3 Centre Frequency:

00=650Hz

01=850Hz

10=1.1kHz

11=1.4kHz

R20

EQ Band 3

Control

EQ3BW

Band 3 Bandwidth Control

0=narrow bandwidth

1=wide bandwidth

Table 33 EQ Band 3 Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

4:0

EQ4G

01100

(0dB)

Band 4 Gain Control. See Table 36 for

details

6:5

EQ4C

Band 4 Centre Frequency:

00=1.8kHz

01=2.4kHz

10=3.2kHz

11=4.1kHz

R21

EQ Band 4

Control

EQ4BW

Band 4 Bandwidth Control

0=narrow bandwidth

1=wide bandwidth

Table 34 EQ Band 4 Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

4:0

EQ5G

01100

(0dB)

Band 5 Gain Control. See Table 36 for

details.

R22

EQ Band 5

Gain Control

6:5

EQ5C

Band 5 Cut-off Frequency:

00=5.3kHz

01=6.9kHz

10=9kHz

11=11.7kHz

Table 35 EQ Band 5 Control

GAIN REGISTER

GAIN

00000

+12dB

00001

+11dB

00010

+10dB

…. (1dB steps)

01100

0dB

01101

-1dB

11000

-12dB

11001 to 11111

Reserved

Table 36 Gain Register Table

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