Realtek Ameba-D RTL872 D Series User Manual page 344

[8] ADC_L_AD_MUTE
[10:9] ADC_L_AD_ZDET_FUNC
[12:11] ADC_L_AD_ZDET_TOUT
[15:13] RSVD
17.6.2.6 0x13
Address Bit Name
0x13 [5:0] ADC_L_ADJ_HPF_COEF_NUM
[12:6] ADC_L_AD_GAIN
[15:13] RSVD
17.6.2.7 0x14
Address Bit Name
0x14 [0] ADC_R_DMIC_RI_FA_SEL
[2:1] RSVD
[3] ADC_R_DMIC_LPF2ND_EN
[4] ADC_R_DMIC_LPF1ST_EN
[6:5] ADC_R_DMIC_LPF1ST_FC_SEL
[7] RSVD
[8] ADC_R_AD_LPF2ND_EN
[9] ADC_R_AD_LPF1ST_EN
User Manual
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R/W 1'b0 Digital Mute from ADC Left Channel Digital Mixer
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R/W 2'b10 ADC zero detection function select
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R/W 2'b01 ADC zero detection time out select
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N/A 3'b000 Reserved
Access Reset Description
R/W 6'h00 coefficient fine select (0~63)
R/W 7'h2F ADC digital volume -17.625dB~+30dB in 0.375dB step
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N/A 3'b000 Reserved
Access Reset Description
R/W 1'b0 DMIC Data Latching Control
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N/A 2'b00 Reserved
R/W 1'b1 DMIC SRC 2nd LPF control
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R/W 1'b1 DMIC SRC 1st LPF control
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R/W 2'b00 DMIC SRC 1st LPF fc
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N/A 1'b0 Reserved
R/W 1'b1 ADC SRC 2nd LPF control
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R/W 1'b1 ADC SRC 1st LPF control
All information provided in this document is subject to legal disclaimers.
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2'b00: 0dB
2'b01: 12dB
2'b10: 24dB
2'b11: 36dB
1'b0: Un-Mute
1'b1: Mute
2'b00: Immediate change
2'b01: Zero detection & immediate change
2'b10: Zero detection & increase/decrease change
2'b11: Un-change
2'b00: 1024*16 samples
2'b01: 1024*32 samples
2'b10: 1024*64 samples
2'b11: 64 samples
7'h00: -17.625dB
...
7'h2f: 0dB
7'h30: 0.375dB
...
7'h7f: 30dB
1'b0: Rising latch
1'b1: Falling latch
1'b0: Disable
1'b1: Enable
1'b0: Disable
1'b1: Enable
2'b00: 31.04khz
2'b01: 46.92khz
2'b10: 63.06khz
2'b11: 79.45khz
1'b0: Disable
1'b1: Enable
Ameba-D User Manual
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