AS3517H-ECTP datasheet(65/94 Pages) AMSCO

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AS3517 V17

Data Sheet, Confidential

www.austriamicrosystems.com

Table 59 LINE_IN2_R Register

Name

Base

Default

LINE_IN2_R

2-wire serial

00h

Right Line Input 2 Register

Offset: 0Ch

Configures the gain from analog line input pin LIN2R to mixer input (Σ) and controls

MUTE switch C.

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

n/a

MUTE_OFF_C

R/W

Control of MUTE switch C

0: right line input is set to mute

1: normal operation

4:0

LI2R_VOL

00000

R/W

volume settings for right line input, adjustable in 32 steps @

1.5dB; gain from line input pin (LIN2R) to mixer input (N11)

11111: 12 dB gain

11110: 10.5 dB gain

00001: -33 dB gain

00000: -34.5 dB gain

Table 60 LINE_IN2_L Register

Name

Base

Default

LINE_IN2_L

2-wire serial

00h

Left Line Input 2 Registers

Offset: 0Dh

Configures the gain from analog line input pin LIN2L to mixer input (Σ) and controls

MUTE switch F.

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

LI2_MODE

R/W

Configures Line Input 2 (right and left channel) in accordance

with the connected input sources

00: inputs switched to single ended stereo

01: inputs switched to differential mono

10: inputs switched to single ended mono

11: reserved, do not use.

MUTE_OFF_F

R/W

Control of MUTE switch F

0: left line input is set to mute

1: normal operation

4:0

LI2L_VOL

00000

R/W

volume settings for right line input, adjustable in 32 steps @

1.5dB; gain from line input pin (LIN2L) to mixer input (N16)

11111: 12 dB gain

11110: 10.5 dB gain

00001: -33 dB gain

00000: -34.5 dB gain

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