A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 512 / 812
Register Name: DEFE_CH0_VERTFACT_REG
The integer part of the vertical scaling ratio
the vertical scaling ratio = input height/output height
FACTOR_FRAC
The fractional part of the vertical scaling ratio
the vertical scaling ratio = input height /output height
5.3.4.60. DEFE_CH0_HORZPHASE_REG
Register Name: DEFE_CH0_HORZPHASE_REG
PHASE
Y/G component initial phase in horizontal (complement)
This value equals to initial phase * 2
16
5.3.4.61. DEFE_CH0_VERTPHASE0_REG
Register Name: DEFE_CH0_VERTPHASE0_REG
PHASE
Y/G component initial phase in vertical for top field (complement)
This value equals to initial phase * 2
16