Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 302
4.21.5.97. 0x264 ADC DRC Limiter High Output at Limiter Threshold(Default Value: 0x0000FBD8)
Offset: 0x264
Register Name: AC_ADC_DRC_HOPL
Bit
R/W
Default/Hex
Description
15:0
R/W
0xFBD8
The output of the limiter which determine by equation OPT/6.0206. The format
is 8.24 (-25dB)
4.21.5.98. 0x268 ADC DRC Limiter Low Output at Limiter Threshold(Default Value: 0x0000FBA7)
Offset: 0x268
Register Name: AC_ADC_DRC_LOPL
Bit
R/W
Default/Hex
Description
15:0
R/W
0xFBA7
The output of the limiter which determine by equation OPT/6.0206. The format
is 8.24 (-25dB)
4.21.5.99. 0x26C ADC DRC Expander Theshold High Setting Register(Default Value: 0x00000BA0)
Offset: 0x26C
Register Name: AC_ADC_DRC_HET
Bit
R/W
Default/Hex
Description
15:0
R/W
0x0BA0
The expander threshold setting, which set by the equation that ETin =
-ET/6.0206, The format is 8.24. (-70dB)
4.21.5.100. 0x270 ADC DRC Expander Theshold Low Setting Register(Default Value: 0x00007291)
Offset: 0x270
Register Name: AC_ADC_DRC_LET
Bit
R/W
Default/Hex
Description
15:0
R/W
0x7291
The expander threshold setting, which set by the equation that ETin =
-ET/6.0206, The format is 8.24. (-70dB)
4.21.5.101. 0x274 ADC DRC Expander Slope High Setting Register(Default Value: 0x00000500)
Offset: 0x274
Register Name: AC_ADC_DRC_HKE
Bit
R/W
Default/Hex
Description
15:14
/
/
/
13:0
R/W
0x0500
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)
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