AS3517H-ECTP datasheet(61/94 Pages) AMSCO

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AS3517 V17

Data Sheet, Confidential

www.austriamicrosystems.com

Table 51 LINE_OUT2_R Register

Name

Base

Default

LINE_OUT2_R

2-wire serial

00h

Right Line Output 2 Register

Offset: 04h

Configures MUX_B and the audio gain from MUX_B output to LOUT2R output.

This register is reset when the block is disabled in AudioSet1 register (14h) or at a

DVDD-POR. The register cannot be written when the block is disabled.

Bit

Bit Name

Default

Access

Bit Description

7:6

LO2_MUX_D

R/W

Multiplexes the analog audio inputs of MUX_D to LOUT2R and

at LOUT2L

00: MIC1

01: MIC1 mono differential (The gain of LOUT2R shall be 0dB

to hold signals in symmetry)

10: MIC2

11: Stereo MIC

n/a

4:0

LO2R_VOL

00000

R/W

volume settings for right line output 2, adjustable in

32 steps @ 1.5dB; gain from MUX_D to LOUT2R

11111: 6 dB gain

11110: 4.5 dB gain

00001: -39 dB gain

00000: -40.5 dB gain

Table 52 LINE_OUT2_L Register

Name

Base

Default

LINE_OUT2_L

2-wire serial

00h

Left Line Output 2 Register

Offset: 05h

Configures the audio gain from MUX_B output to LOUT2L output and controls

MUTE switch J

This register is reset when the stage is disabled in AudioSet1 register (14h) or at a

DVDD-POR. The register cannot be written when the block is disabled.

Bit

Bit Name

Default

Access

Bit Description

n/a

MUTE_OFF_L

R/W

Control of MUTE switch L

0:line output set to mute

1: normal operation

n/a

4:0

LO2L_VOL

00000

R/W

volume settings for left line output 2, adjustable in

32 steps @ 1.5dB; gain from MUX_D to LOUT2L

11111: 6 dB gain

11110: 4.5 dB gain

00001: -39 dB gain

00000: -40.5 dB gain

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