A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 523 / 812
Register Name: DEFE_CH1_VERTCOEF_REGN
The value equals to coefficient*2
6
5.3.4.82. DEFE_VPP_EN_REG
Register Name: DEFE_VPP_EN_REG
EN
VPP enable
0: Disable
1: Enable
5.3.4.83. DEFE_VPP_DCTI_REG
Register Name: DEFE_VPP_DCTI_REG
UV_SEPARATE_EN
UV separate enable
0: U/V will be under direction detection control
1: U/V wont be under direction detection control
UV_SAME_SIGN_MAX/MIN_MODE_SEL
UV direction detection using max or min of |U|/|V| in same sign
condition
when related separate mode select “Using Max/Min mode” and
U/V path shift are in the same sign, path shift use
0: min(|U|,|V|)
1: max(|U|,|V|)
UV_DIFF_SIGN_ MAX/MIN_MODE_SEL
UV direction detection using max or min of |U|/|V| in different sign