Datasheet

7:0
R/W
0x0
Reserved
Reg 50h_ADC Analog Control Register
Default:0x3340
Register Name: ADC_APC_CTRL
Bit
R/W
Default
Description
15
R/W
0x0
ADCREN
ADC Right channel Enable
0: Disable; 1: Enable
14:12
R/W
0x3
ADCRG
ADC Right channel input Gain control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
11
R/W
0x0
ADCLEN
ADC Left channel Enable
0: Disable; 1: Enable
10:8
R/W
0x3
ADCLG
ADC Left channel input Gain control
From -4.5dB to 6dB, 1.5dB/step, default is 0dB
7
R/W
0x0
MBIASEN
Master microphone BIAS Enable
0: Disable; 1: Enable
6
R/W
0x1
MMIC_BIAS_CHOPPER_EN
Main MICrophone BIAS chopper Enable
0: Disable; 1: Enable
5:4
R/W
0x0
MMIC_BIAS_CHOPPER_CKS
Main MICrophone BIAS chopper Clock select
00: 250k
01: 500k
10: 1Meg
11: 2Meg
3
/
/
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2
R/W
0x0
HBIASMOD
HBIAS&ADC working mode
0: HBIAS is enabled only when with load
1: HBIAS is enabled when HBIASEN write 1
1
R/W
0x0
HBIASEN
Headset microphone BIAS Enable
0: Disable; 1: Enable
0
R/W
0x0
HBIASADCEN
Headset microphone BIAS Current sensor & ADC Enable
0: Disable; 1: Enable
Reg 51h_ADC Source Select Register
Default:0x0000
Register Name: ADC_SRC
Bit
R/W
Default
Description
15:14
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