Allwinner A20 - Page 524

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 524 / 812
Offset: 0xA04
Register Name: DEFE_VPP_DCTI_REG
Bit
Read/
Write
Default/H
ex
Description
condition
when related separate mode select “Using Max/Min mode” and
U/V path shift are in the different sign, path shift use
0: min(|U|,|V|)
1: max(|U|,|V|)
27:26
R/W
0x0
UV_SAME_SIGN_MODE_SEL
UV separate mode in same sign condition
00: Using U always
01: Using V always
10: Using 0 always
11: Using Max/Min mode
25:24
R/W
0x0
UV_DIFF_SIGN_MODE_SEL
UV separate mode in different sign condition
00: Using U always
01: Using V always
10: Using 0 always
11: Using Max/Min mode
23:22
/
/
/
21:16
R/W
0x0
DCTI_GAIN
15:12
R/W
0x0
DCTI_PATH_LIMIT
Max path limit equal to 12
11:10
R/W
0x0
DCTI_FILTER2_SEL
DCTI 2
nd
filter algorithm selection
00: algorithm0
01: algorithm1
10: algorithm2
11: reserved
9:8
R/W
0x0
DCTI_FILTER1_SEL
DCTI 1
st
filter algorithm selection
00: algorithm0
01: algorithm1
10: algorithm2
11: reserved
7
R/W
0x0
DCTI_SUPHILL_EN