WM8758CBGEFLSLASHV datasheet(48/90 Pages) WOLFSON

48 / 90 page

WM8758B

Production Data

PD, Rev 4.4, January 2012

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R20

EQ Band 3

Control

4:0

EQ3G

01100

(0dB)

Band 3 Gain Control. See Table 30 for

details.

6:5

EQ3C

Band 3 Centre Frequency:

00 = 650Hz

01 = 850Hz

10 = 1.1kHz

11 = 1.4kHz

EQ3BW

Band 3 Bandwidth Control

0 = narrow bandwidth

1 = wide bandwidth

Table 27 EQ Band 3 Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R21

EQ Band 4

Control

4:0

EQ4G

01100

(0dB)

Band 4 Gain Control. See Table 30 for

details

6:5

EQ4C

Band 4 Centre Frequency:

00 = 1.8kHz

01 = 2.4kHz

10 = 3.2kHz

11 = 4.1kHz

EQ4BW

Band 4 Bandwidth Control

0 = narrow bandwidth

1 = wide bandwidth

Table 28 EQ Band 4 Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R22

EQ Band 5

Gain Control

4:0

EQ5G

01100

(0dB)

Band 5 Gain Control. See Table 30 for

details.

6:5

EQ5C

Band 5 Cut-off Frequency:

00 = 5.3kHz

01 = 6.9kHz

10 = 9kHz

11 = 11.7kHz

Table 29 EQ Band 5 Control

GAIN REGISTER

GAIN

00000

+12dB

00001

+11dB

00010

+10dB

…. (1dB steps)

01100

0dB

01101

-1dB

11000 to 11111

-12dB

Table 30 Gain Register Table

See also Figure 49 to Figure 66 for equaliser and high pass filter responses.

WM8758CBGEFL/V Datasheet(PDF) 48 Page - Wolfson Microelectronics plc

WM8758CBGEFL/V Datasheet(HTML) 48 Page - Wolfson Microelectronics plc

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