AS3658F-BCTP datasheet(112/158 Pages) AMSCO

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AS3658

Data Sheet Confidential - Detail ed Descri ption- Audio Functi ons

9.10.6 Register Description

To get an interrupt on an over-current event, the corresponding bit in the Interrupt enable register has to be set. All

other Line/headphone driver settings are controlled by the following two registers.

Right Line Register

Table 116. LINE_OUT_R Register

Addr:83

LINE_OUT_R

These bits control the Line in volume and mode

Bit

Bit Name

Default

Access

Description

GND cancellation GND - AUDIO_GND to

LOUT_R, LOUT_L no load

100Hz

1kHz

10kHz

4:0

liner_vol

00000b

R/W

volume settings for right Line output, adjustable in 32

steps @ 1.5dB

00000

-40.5 dB gain

00001

-39 dB gain

......

11110

4.5 dB gain

11111

6 dB gain

dac2line_on

R/W

Line_out amplifier input connected to mixer

output

Line_out amplifier input connected to Audio

DAC output gain stage (Mixer is bypassed in

this mode)

7:6

ibr_line<1:0>

00b

R/W

Bias current reduction settings for line output:

17%

34%

50%

Table 115. Line out Block Characteristics

Parameter

Min

Typ

Max

Unit

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