Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 309
3:0
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4.21.6.7. 0x06 MIC1 And MIC2 Gain Control Register(Default Value: 0x33)
Offset:0x06
Register Name: MIC_GCTR
Bit
R/W
Default/Hex
Description
7
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6:4
R/W
0x3
MIC1_GAIN
MIC1 BOOST stage to L or R output mixer Gain Control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
3
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2:0
R/W
0x3
MIC2G, (volm2)
MIC2 BOOST stage to L or R output mixer Gain Control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
4.21.6.8. 0x07 PA Enable and LINEOUT Control Register(Default Value: 0x04)
Offset:0x07
Register Name: PAEN_CTR
Bit
R/W
Default/Hex
Description
7
R/W
0x0
LINEOUTEN
Right & Left LINEOUT Enable
0-disable
1-enable
6:4
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3:2
R/W
0x1
PA_ANTI_POP_CTRL, (slopelengthsel)
PA Anti-pop time Control
00:131ms; 01: 262ms; 10: 393ms; 11:524ms
1:0
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4.21.6.9. 0x09 Lineout Volume Control Register(Default Value: 0x00)
Offset:0x09
Register Name: LINEOUT_VOLC
Bit
R/W
Default/Hex
Description
7:3
R/W
0x0
LINEOUTVOL
Line-out Volume Control, Total 31 level, from 0dB to -48dB, 1.5dB/step, mute
when 00000 & 00001
2:0
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