Allwinner A20 - Page 511

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 511 / 812
Offset: 0x104
Register Name: DEFE_CH0_OUTSIZE_REG
Bit
Read/
Write
Default/
Hex
Description
15:13
/
/
/
12:0
R/W
0x0
OUT_WIDTH
Output layer Y/G component width
The output layer width = The value of these bits add 1
When line buffer result selection is horizontal filtered result, the
maximum width is 2048
5.3.4.58. DEFE_CH0_HORZFACT_REG
Offset: 0x108
Register Name: DEFE_CH0_HORZFACT_REG
Bit
Read/
Write
Default/
Hex
Description
31:24
/
/
/
23:16
R/W
0x0
FACTOR_INT
The integer part of the horizontal scaling ratio
the horizontal scaling ratio = input width/output width
15:0
R/W
0x0
FACTOR_FRAC
The fractional part of the horizontal scaling ratio
the horizontal scaling ratio = input width/output width
5.3.4.59. DEFE_CH0_VERTFACT_REG
Offset: 0x10C
Register Name: DEFE_CH0_VERTFACT_REG
Bit
Read/
Write
Default/
Hex
Description
31:24
/
/
/
23:16
R/W
0x0
FACTOR_INT