Allwinner A20 - Page 516

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 516 / 812
5.3.4.68. DEFE_CH1_HORZFACT_REG
Offset: 0x208
Register Name: DEFE_CH1_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
5.3.4.69. DEFE_CH1_VERTFACT_REG
Offset: 0x20C
Register Name: DEFE_CH1_VERTFACT_REG
Bit
Read/
Write
Default/
Hex
Description
31:24
/
/
/
23:16
R/W
0x0
FACTOR_INT
The integer part of the vertical scaling ratio
the vertical scaling ratio = input height/output height
15:0
R/W
0x0
FACTOR_FRAC
The fractional part of the vertical scaling ratio
the vertical scaling ratio = input height /output height