CS4525 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS4525

30 W Digital Audio Amplifier with Integrated ADC

Cirrus Logic 

9.7.3

CS4525

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.

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.

9.7.4

Treble Corner Frequency (TrebFc[1:0])

Default = 00

Function:

Sets the corner frequency for the treble shelving filter as shown below.

TrebFc[1:0] Setting

Treble Corner Frequency

00 ........................................Selects Treble Fc 0 - Approximately 5 kHz

01 ........................................Selects Treble Fc 1 - Approximately 7 kHz

10 ........................................Selects Treble Fc 2 - Approximately 10 kHz

11.........................................Selects Treble Fc 3 - Approximately 15 kHz

9.7.5

Bass Corner Frequency (BassFc[1:0])

Default = 01

Function:

Sets the corner frequency for the bass shelving filter as shown below.

BassFc[1:0] Setting

Bass Corner Frequency

00 ........................................Selects Bass Fc 0 - Approximately 50 Hz

01 ........................................Selects Bass Fc 1 - Approximately 100 Hz

10 ........................................Selects Bass Fc 2 - Approximately 200 Hz

11.........................................Selects Bass Fc 3 - Approximately 250 Hz

9.7.6

Tone Control Enable (EnToneCtrl)

Default = 0

Function:

When set, enables the bass and treble shelving filters. When cleared, disables the bass and treble shelv-

ing filters.

EnToneCtrl Setting

Tone Control Filter State

0 ..........................................Bass and treble shelving filters disabled.

1 ..........................................Bass and treble shelving filters enabled.

DS726PP1

77

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