Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 294
4.21.5.62. 0x194 DAC DRC Smooth filter Gain High Release Time Coef Register(Default Value: 0x00000000)
Offset: 0x194
Register Name: AC_DAC_DRC_SFHRT
Bit
R/W
Default/Hex
Description
15:11
/
/
/
10:0
R/W
0x0000
The gain smooth filter release time parameter setting, which determine by the
equation that RT = 1-exp(-2.2Ts/tr). The format is 3.24. (200ms)
4.21.5.63. 0x198 DAC DRC Smooth filter Gain Low Release Time Coef Register(Default Value: 0x00000F04)
Offset: 0x198
Register Name: AC_DAC_DRC_SFLRT
Bit
R/W
Default/Hex
Description
15:0
R/W
0x0F04
The gain smooth filter release time parameter setting, which determine by the
equation that RT = 1-exp(-2.2Ts/tr). The format is 3.24. (200ms)
4.21.5.64. 0x19C DAC DRC MAX Gain High Setting Register(Default Value: 0x0000FE56)
Offset: 0x19C
Register Name: AC_DAC_DRC_MXGHS
Bit
R/W
Default/Hex
Description
15:0
R/W
0xFE56
The max gain setting which determine by equation MXG/6.0206. The format is
8.24 and must -20dB <MXG< 30dB (-10dB)
4.21.5.65. 0x1A0 DAC DRC MAX Gain Low Setting Register(Default Value: 0x0000CB0F)
Offset: 0x1A0
Register Name: AC_DAC_DRC_MXGLS
Bit
R/W
Default/Hex
Description
15:0
R/W
0xCB0F
The max gain setting which determine by equation MXG/6.0206. The format is
8.24 and must -20dB <MXG < 30dB (-10dB)
4.21.5.66. 0x1A4 DAC DRC MIN Gain High Setting Register(Default Value: 0x0000F95B)
Offset: 0x1A4
Register Name: AC_DAC_DRC_MNGHS
Bit
R/W
Default/Hex
Description
15:0
R/W
0xF95B
The min gain setting which determine by equation MXG/6.0206. The format is
8.24 and must -60dB ≤MNG ≤ -30dB (-40dB)
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