Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 287
When the DRC LT is disable the LT, Kl and OPL parameter is unused.
0
R/W
0x0
DRC ET enable
0 : disable
1 : enable
When the DRC ET is disable the ET, Ke and OPE parameter is unused.
4.21.5.28. 0x10C DAC DRC Left Peak Filter High Attack Time Coef Register(Default Value: 0x0000_000B)
Offset: 0x10C
Register Name: AC_DAC_DRC_LPFHAT
Bit
R/W
Default/Hex
Description
15:11
/
/
/
10:0
R/W
0x000B
The left peak filter attack time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/ta). The format is 3.24. (1ms)
4.21.5.29. 0x110 DAC DRC Left Peak Filter Low Attack Time Coef Register(Default Value: 0x000077BF)
Offset: 0x110
Register Name: AC_DAC_DRC_LPFLAT
Bit
R/W
Default/Hex
Description
15:0
R/W
0x77BF
The left peak filter attack time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/ta). The format is 3.24. (1ms)
4.21.5.30. 0x114 DAC DRC Right Peak Filter High Attack Time Coef Register(Default Value: 0x0000000B)
Offset: 0x114
Register Name: AC_DAC_DRC_RPFHAT
Bit
R/W
Default/Hex
Description
15:11
/
/
/
10:0
R/W
0x000B
The left peak filter attack time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/ta). The format is 3.24. (1ms)
4.21.5.31. 0x118 DAC DRC Peak Filter Low Attack Time Coef Register(Default Value: 0x000077BF)
Offset: 0x118
Register Name: AC_DAC_DRC_RPFLAT
Bit
R/W
Default/Hex
Description
15:0
R/W
0x77BF
The left peak filter attack time parameter setting, which determine by the
equation that AT = 1-exp(-2.2Ts/ta). The format is 3.24. (1ms)
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