AS3412 datasheet(57/85 Pages) AMSOSRAM

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[v1-00] 2016-Apr-06

AS3412 − Register Description

Figure 71:

PWR_SET Register Description

Name

Address

Default Value

PWR_READ

0x21

0x3F

A readout of this register returns the status of each block o f the chip.

Bit

Bit Name

Default

Access

Bit Description

6LOW_BAT

VBAT supervisor status

0: VBAT is above brown out level

1: VBAT has reached brown out level

PWRUP_

COMPLETE

Power-up sequencer status

0: Power-up sequence incomplete

1: Power-up sequence completed

HPH_ON

This register returns the power status of the

headphone amplifier.

0: Headphone amplifier switched off

1: Headphone amplifier switched on

MIC_ON

This register returns the power status of the

microphone preamplifier.

0: Microphone preamplifier switched off

1: Microphone preamplifier switched on

1MICS_CP_ON

This register returns the power status of the

microphone charge pump.

0: Microphone charge pump switched off

1: Microphone charge pump switched on

0MICS_ON

This register returns the power status of the

microphone supply (MICS).

0: Microphone supply switched off

1: Microphone supply switched on

AS3412 Datasheet(PDF) 57 Page - ams-OSRAM AG

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