Datasheet

Bit 6: MIC1 Boost stage
Bit 5: MIC2 Boost stage
Bit 4: LINEINL-LINEINR
Bit 3: LINEINL
Bit 2: Reserved
Bit 1: DACL
Bit 0: DACR
Reg 55h_Output Mixer Source Boost Register
Default:0x56DB
Register Name: OMIXER_BST1_CTRL
Bit
R/W
Default
Description
15:14
R/W
0x1
HBIASSEL
HMICBIAS voltage level select
00: 1.88V
01: 2.09V
10: 2.33V
11: 2.50V
13:12
R/W
0x1
MBIASSEL
MMICBIAS voltage level select
00: 1.88V
01: 2.09V
10: 2.33V
11: 2.50V
11:9
R/W
0x3
Reserved
8:6
R/W
0x3
MIC1G
MIC1 to L or R output mixer Gain Control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
5:3
R/W
0x3
MIC2G
MIC2 to L or R output mixer Gain Control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
2:0
R/W
0x3
LINEING
LINEINL/R to L/R output mixer Gain Control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
Reg 56h_Headphone Output Control Register
Default:0x0001
Register Name: HPOUT_CTRL
Bit
R/W
Default
Description
15
R/W
0x0
RHPS
Right Headphone Power Amplifier (PA) Input Source Select
0: DACR
1: Right Analog Mixer
14
R/W
0x0
LHPS
Left Headphone Power Amplifier (PA) Input Source Select
0: DACL
1: Left Analog Mixer