Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 308
4.21.6.4. 0x02 Right Output Mixer Source Select Control Register(Default Value: 0x00)
Offset:0x02
Register Name: ROMIXSC
Bit
R/W
Default/Hex
Description
7
/
/
/
6:0
R/W
0x0
RMIXMUTE
Right Output Mixer Mute Control
0-Mute, 1-Not Mute
Bit 6: MIC1 Boost Stage
Bit 5: MIC2 Boost Stage
Bit 4: /
Bit 3: /
Bit 2: LINEINR
Bit 1: Right Channel DAC
Bit 0: Left Channel DAC
4.21.6.5. 0x03 DAC Analog Enable and PA Source Control Register(Default Value: 0x00)
Offset:0x03
Register Name: DAC_PA_SRC
Bit
R/W
Default/Hex
Description
7
R/W
0x0
DACAREN
Internal Analog Right channel DAC Enable
0:Disable; 1:Enable
6
R/W
0x0
DACALEN
Internal Analog Left channel DAC Enable
0:Disable; 1:Enable
5
R/W
0
RMIXEN
Right Analog Output Mixer Enable
0:Disable; 1:Enable
4
R/W
0x0
LMIXEN
Left Analog Output Mixer Enable
0:Disable; 1:Enable
3:0
/
/
/
4.21.6.6. 0x05 Linein and Gain Control Register(Default Value: 0x30)
Offset:0x05
Register Name: LINEIN_GCTR
Bit
R/W
Default/Hex
Description
7
/
/
/
6:4
R/W
0x3
LINEING, (volln)
LINEINL/R to L/R output mixer Gain Control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
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