Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 299
4.21.5.82. 0x228 ADC DRC Right Peak filter Low Release Time Coef Register(Default Value: 0x0000E1F8)
Offset: 0x228
Register Name: AC_ADC_DRC_RPFLRT
Bit
R/W
Default/Hex
Description
15:0
R/W
0xE1F8
The left peak filter release time parameter setting, which determine by the
equation that AT = exp(-2.2Ts/tr). The format is 3.24. (100ms)
4.21.5.83. 0x22C ADC DRC Left RMS Filter High Coef Register(Default Value: 0x00000001)
Offset: 0x22C
Register Name: AC_ADC_DRC_LRMSHAT
Bit
R/W
Default/Hex
Description
15:11
/
/
/
10:0
R/W
0x0001
The left RMS filter average time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/tav). The format is 3.24. (10ms)
4.21.5.84. 0x230 ADC DRC Left RMS Filter Low Coef Register(Default Value: 0x00002BAF)
Offset: 0x230
Register Name: AC_ADC_DRC_LRMSLAT
Bit
R/W
Default/Hex
Description
15:0
R/W
0x2BAF
The left RMS filter average time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/tav). The format is 3.24. (10ms)
4.21.5.85. 0x234 ADC DRC Right RMS Filter High Coef Register(Default Value: 0x00000001)
Offset: 0x234
Register Name: AC_ADC_DRC_RRMSHAT
Bit
R/W
Default/Hex
Description
15:11
/
/
/
10:0
R/W
0x0001
The right RMS filter average time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/tav). The format is 3.24. (10ms)
4.21.5.86. 0x238 ADC DRC Right RMS Filter Low Coef Register(Default Value: 0x00002BAF)
Offset: 0x238
Register Name: AC_ADC_DRC_RRMSLAT
Bit
R/W
Default/Hex
Description
15:0
R/W
0x2BAF
The right RMS filter average time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/tav). The format is 3.24. (10ms)
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