AS3415 datasheet(75/102 Pages) AMSCO

75 / 102 page

ams Datasheet, Confidential: 2014-Jun-13 [v1-30]

AS3415/AS3435 – 75

Reg i st er Description

Figure 94:

ECO Register Description

Name

Address

Default Value

ECO

0x17

0x00

This register controls the economic (ECO) mode for all analog audio blocks. Furthermore it includes also LED

control and other general settings.

Bit

Bit Name

Default

Access

Bit Description

SLIDE_PWR_UP

R/W

This bit enables the slide switch control mode of

the AS3515/35. If this bit is programmed the device

can be powered up and powered down via a slide

switch.

0: Slide switch control disabled

1: Slide switch control enabled

6LOWBAT _100

R/W

This bit increases the LED low battery indication

level by 100mV.

0: Default LED indication level (0.95V)

1: Increased LED indication level (1.05V)

5:4

ILED<1:0>

R/W

This register defines the driving strength of the ILED

pin for LED control.

00: Current sink switched off

01: 25%

10: 50%

11: 100%

ENABLE_HPH_ECO

R/W

This bit enables the eco mode of the headphone

amplifier.

0: Power save function disabled

1: Power save function enabled

2ENABLE_MIC_ECO

R/W

This bit enables the eco mode of the microphone

amplifier.

0: Power save function disabled

1: Power save function enabled

ENABLE_LIN_ECO

R/W

This bit enables the eco mode of the line input

amplifier.

0: Power save function disabled

1: Power save function enabled

ENABLE_OPAMP_ECO

R/W

This bit enables the eco mode of the operational

amplifier amplifiers for ANC filter design.

0: Power save function disabled

1: Power save function enabled

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