Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 310
4.21.6.10. 0x0A Mic2 Boost and Lineout Enable Control Register(Default Value: 0x40)
Offset:0x0A
Register Name: MIC2G_LINEOUT_CTR
Bit
R/W
Default/Hex
Description
7
R/W
0x0
MIC2AMPEN
MIC2 Boost AMP Enable
0-Disable; 1-Enable
6:4
R/W
0x4
MIC2BOOST
MIC2 Boost AMP Gain Control
0dB when 000, 24dB to 42dB when 001 to 111, 3dB/step, default is 33dB
3
R/W
0x0
Line-out Left Select
0-not select
1-selected
2
R/W
0x0
Line-out Right Select
0-not select
1-selected
1
R/W
0x0
Left line-out source select
0-left output mixer
1-left output mixer + right output mixer
0
R/W
0x0
Right line-out source select
0-right output mixer
1-left line-out, for differential output
4.21.6.11. 0x0B MIC1 Boost And MICBIAS Control Register(Default Value: 0x04)
Offset:0x0B
Register Name: MIC1G_MICBAIS_CTR
Bit
R/W
Default/Hex
Description
7
/
/
/
6
R/W
0x0
MMICBIASEN
Master Microphone Bias enable
0: disable, 1: enable
5:4
/
/
/
3
R/W
0x0
MIC1AMPEN
MIC1 Boost AMP Enable
0-Disable; 1-Enable
2:0
R/W
0x4
MIC1BOOST
MIC1 Boost AMP Gain Control
0dB when 000, 24dB to 42dB when 001 to 111, 3dB/step, default is 33dB
4.21.6.12. 0x0C Left ADC Mixer Source Control Register(Default Value: 0x00)
Offset:0x0C
Register Name: LADCMIXSC
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