Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 286
should write the drc delay function bit to 0;
0 : not complete
1 : is complete
14:10
/
/
/
13:8
R/W
0
Signal delay time setting
6'h00 : (8x1)fs
6'h01 : (8x2)fs
6'h02 : (8x3)fs
----------------------------------------
6'h2e : (8*47)fs
6'h2f : (8*48)fs
6'h30 -- 6'h3f : (8*48)fs
Delay time = 8*(n+1)fs, n<6'h30;
When the delay function is disable, the signal delay time is unused.
7
R/W
0x1
The delay buffer use or not when the drc disable and the drc buffer data
output completely
0 : don't use the buffer
1 : use the buffer
6
R/W
0x0
DRC gain max limit enable
0 : disable
1 : enable
5
R/W
0x0
DRC gain min limit enable. when this function enable, it will overwrite the
noise detect function.
0 : disable
1 : enable
4
R/W
0x0
Control the drc to detect noise when ET enable
0 : disable
1 : enable
3
R/W
0x0
Signal function Select
0 : RMS filter
1 : Peak filter
When Signal function Select Peak filter, the RMS parameter is unused.
(AC_DRC_LRMSHAT / AC_DRC_LRMSLAT / AC_DRC_LRMSHAT /
AC_DRC_LRMSLAT)
When Signal function Select RMS filter, the Peak filter parameter is
unused.(AC_DRC_LPFHAT / AC_DRC_LPFLAT / AC_DRC_RPFHAT /
AC_DRC_RPFLAT / AC_DRC_LPFHRT / AC_DRC_LPFLRT / AC_DRC_RPFHRT /
AC_DRC_RPFLRT)
2
R/W
0x0
Delay function enable
0 : disable
1 : enable
When the Delay function enable is disable, the Signal delay time is unused.
1
R/W
0x0
DRC LT enable
0 : disable
1 : enable
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