CS4525(2008) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS4525
(Rev.:2008)

30 W Digital Audio Amplifier with Integrated ADC

Cirrus Logic 

9.19 Power Control (Address 5Fh)

7

AutoRetry

6

EnOCProt

5

SelectVD

4

PDnADC

3

PDnOut3/4

2

PDnOut2

1

PDnOut1

CS4525

0

PDnAll

9.19.1 Automatic Power Stage Retry (AutoRetry)

Default = 1

Function:

Enables the Auto-Retry function upon over-current error. See “Automatic Power Stage Shut-Down” on

page 53.

AutoRetry Setting

Auto-Retry State

0 .......................................... Auto-Retry feature disabled.

1 .......................................... Auto-Retry feature enabled.

9.19.2 Enable Over-Current Protection (EnOCProt)

Default = 1

Function:

Enables the PWM power output over-current protection feature described in “Automatic Power Stage

Shut-Down” on page 53.

WARNING: The EnOCProt bit must never to changed from its default value of 1. Doing so will disable the over-cur-

rent protection feature and may result in permanent damage to the CS4525.

9.19.3 Select VD Level (SelectVD)

Default = 1

Function:

This bit selects between a VD of 2.5 V, 3.3 V, or 5.0 V.

SelectVD Setting

Selected VD Level

0 .......................................... VD = 2.5 V.

1 .......................................... VD = 3.3 V or 5.0 V.

9.19.4 Power Down ADC (PDnADC)

Default = 1

Function:

The ADC will enter a power down state when this bit is enabled.

PDnADC Setting

ADC Power-Down State

0 .......................................... Normal ADC operation.

1 .......................................... ADC power-down enabled.

88

DS726PP3

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