
AS3515 V15
austriamicrosystems
Data Sheet, Confidential
www.austriamicrosystems.com
Revision 3.1
25
- 66
6.8
Audio Settings
6.8.1
Register Description
First AudioSet Register (14h)
Table 26 AudioSet1 Register
Bit
Name
Description
7
ADC_on
1: ADC for recording is enables
0: ADC disabled
6
SUM_on
1: Summing / Mixing stage is enabled
0: Summing / Mixing stage is disabled (no audio output possible)
5
DAC_on
1: DAC enabled
0: DAC disabled
4
LOUT_on
1: Line output enabled
0: Line output disabled
3
LIN2_on
1: Line input 2 enabled
0: Line input 2 disabled
2
LIN1_on
1: Line input 1 enabled
0: Line input 1 disabled
1
MIC2_on
1: Microphone input 2 enabled
0: Microphone input 2 disabled
0
MIC1_on
1: Microphone input 1 enabled
0: Microphone input 1 disabled
The register is R/W; default value is 00h
Second AudioSet Register (15h)
Table 27 AudioSet2 Register
Bit
Name
Description
7
BIAS_off
1: Bias disabled
0: Bias enabled
6
DITH_off
1: no dither added
0: add dither to the audio stream
5
AGC_off
1: Automatic gain control for summing stage disabled
0: Automatic gain control for summing stage enabled
4,3
IBR_DAC<1:0> Bias current reduction settings for DAC:
00: 0%
01: 25%
10: 40%
11: 50%
2
LSP_LP
Low power mode for speaker output:
1: speaker output driver set for 16Ohm load or more (25%)
0: speaker output driver set for 4Ohm to 16Ohm load (100%)
1,0
IBR_LSP<1:0> Bias current reduction settings for speaker output:
00: 0%
01: 17%
10: 34%
11: 50%
The register is R/W; default value is 00h
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