Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 290
4.21.5.42. 0x144 DAC DRC Compressor Slope High Setting Register(Default Value: 0x00000080)
Offset: 0x144
Register Name: AC_DAC_DRC_HKC
Bit
R/W
Default/Hex
Description
15:13
/
/
/
13:0
R/W
0x0080
The slope of the compressor which determine by the equation that Kc = 1/R,
there, R is the ratio of the compressor, which always is interger. The format is
8.24. (2 : 1)
4.21.5.43. 0x148 DAC DRC Compressor Slope Low Setting Register(Default Value: 0x0000_0000)
Offset: 0x148
Register Name: AC_DAC_DRC_LKC
Bit
R/W
Default/Hex
Description
15:0
R/W
0x0000
The slope of the compressor which determine by the equation that Kc = 1/R,
there, R is the ratio of the compressor, which always is interger. The format is
8.24. (2 : 1)
4.21.5.44. 0x14C DAC DRC Compressor High Output at Compressor Threshold Register( Default Value:
0x0000F95B)
Offset: 0x14C
Register Name: AC_DAC_DRC_HOPC
Bit
R/W
Default/Hex
Description
15:0
R/W
0xF95B
The output of the compressor which determine by the equation -OPC/6.0206
The format is 8.24 (-40dB)
4.21.5.45. 0x150 DAC DRC Compressor Low Output at Compressor Threshold Register(Default Value:
0x00002C3F)
Offset: 0x150
Register Name: AC_DAC_DRC_LOPC
Bit
R/W
Default/Hex
Description
15:0
R/W
0x2C3F
The output of the compressor which determine by the equation OPC/6.0206
The format is 8.24 (-40dB)
4.21.5.46. 0x154 DAC DRC Limiter Theshold High Setting Register(Default Value: 0x000001A9)
Offset: 0x154
Register Name: AC_DAC_DRC_HLT
Bit
R/W
Default/Hex
Description
15:0
R/W
0x01A9
The limiter threshold setting, which set by the equation that LTin = -LT/6.0206,
The format is 8.24. (-10dB)
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