CS4525 datasheet(71/91 Pages) CIRRUS

71 / 91 page

DS726A1

CS4525

9.6.3

Left Channel Mixer (LChMix[1:0])

Default = 00

Function:

Controls the left channel mixer output. See “Channel Mixer” on page 30 for more information.

9.7

Tone Configuration (Address 07h)

9.7.1

De-Emphasis Control (DeEmph)

Default = 0

Function:

Controls the operation of the internal de-emphasis filter. See “De-Emphasis” on page 31 for more infor-

mation.

9.7.2

Adaptive Loudness Compensation Control (Loudness)

Default = 0

Function:

Controls the operation of the adaptive loudness compensation feature. See “Adaptive Loudness Compen-

sation” on page 34 for more information.

9.7.3

Digital Signal Processing High-Pass Filter (EnDigHPF)

Default = 0

Function:

Controls the operation of the digital signal processing high-pass filter. See “Digital Signal Processing

High-Pass Filter” on page 30 for more information.

LChMix[1:0] Setting

Left Channel Mixer Output on Channel A

00 ........................................ Left Channel

01 ........................................ (Left Channel + Right Channel) / 2

10 ........................................ (Left Channel + Right Channel) / 2

11......................................... Right Channel

432

DeEmph

Loudness

EnDigHPF

TrebFc1

TrebFc0

BassFc1

BassFc0

EnToneCtrl

DeEmph Setting

De-Emphasis State

0 .......................................... No de-emphasis applied.

1 .......................................... 44.1 kHz 50/15 µs de-emphasis filter applied.

Loudness Setting

Adaptive Loudness Compensation State

0 .......................................... Disabled.

1 .......................................... Enabled.

EnDigHPF Setting

Digital Signal Processing High-Pass Filter State

0 .......................................... Digital signal processing high-pass filter disabled.

1 .......................................... Digital signal processing high-pass filter enabled.

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