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System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 303
4.21.5.102. 0x278 ADC DRC Expander Slope Low Setting Register(Default Value: 0x00000000)
Offset: 0x278
Register Name: AC_ADC_DRC_LKE
Bit
R/W
Default/Hex
Description
15:0
R/W
0x0000
The slope of the expander which determine by the equation that Ke = 1/R,
there, R is the ratio of the expander, which always is interger and the ke must
larger than 50. The format is 8.24. (1:5)
4.21.5.103. 0x27C ADC DRC Expander High Output at Expander Threshold(Default Value: 0x0000F45F)
Offset: 0x27C
Register Name: AC_ADC_DRC_HOPE
Bit
R/W
Default/Hex
Description
15:0
R/W
0xF45F
The output of the expander which determine by equation OPE/6.0206. The
format is 8.24 (-70dB)
4.21.5.104. 0x280 ADC DRC Expander Low Output at Expander Threshold(Default Value: 0x00008D6E)
Offset: 0x280
Register Name: AC_ADC_DRC_LOPE
Bit
R/W
Default/Hex
Description
15:0
R/W
0x8D6E
The output of the expander which determine by equation OPE/6.0206. The
format is 8.24 (-70dB)
4.21.5.105. 0x284 ADC DRC Linear Slope High Setting Register(Default Value: 0x00000100)
Offset: 0x284
Register Name: AC_ADC_DRC_HKN
Bit
R/W
Default/Hex
Description
15:14
/
/
/
13:0
R/W
0x0100
The slope of the linear which determine by the equation that Kn = 1/R, there, R
is the ratio of the linear, which always is interger . The format is 8.24. (1:1)
4.21.5.106. 0x288 ADC DRC Linear Slope Low Setting Register(Default Value: 0x00000000)
Offset: 0x288
Register Name: AC_ADC_DRC_LKN
Bit
R/W
Default/Hex
Description
15:0
R/W
0x0000
The slope of the linear which determine by the equation that Kn = 1/R, there, R
is the ratio of the linear, which always is interger . The format is 8.24. (1:1)
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