CS4525 datasheet(88/98 Pages) CIRRUS

88 / 98 page

DS726PP1

CS4525

9.19 Power Control (Address 5Fh)

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.

9.19.2 Select VD Level (SelectVD)

Default = 1

Function:

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

9.19.3 Power Down ADC (PDnADC)

Default = 1

Function:

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

9.19.4 Power Down PWM Power Output X (PDnOutX)

Default = 1

Function:

When set, the specific PWM power output will enter a power-down state. Only the output power stage is

powered down. The PWM modulator is not affected, nor is the setup or delay register values. When set

to normal operation, the specific output will power up according to the state of the RmpSpd[1:0] bits and

the channel output configuration selected. When transitioning from normal operation to power down, the

specific output will power down according to the state of the RmpSpd[1:0] bits and the channel output con-

figuration selected.

The entire divide will enter a low-power state when this function is enabled:

543

AutoRetry

Reserved

SelectVD

PDnADC

PDnOut3/4

PDnOut2

PDnOut1

PDnAll

AutoRetry Setting

Auto-Retry State

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

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

SelectVD Setting

Selected VD Level

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

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

PDnADC Setting

ADC Power-Down State

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

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

PDnChX Setting

Power Output X Power-Down State

0 ..........................................Normal power output X operation.

1 ..........................................Power output X power-down enabled.

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