Allwinner A20 - Page 534

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 534 / 812
5.4.4.2. DE-BACK COLOR CONTROL REGISTER
Offset: 0x804
Register Name: DEBE_BACKCOLOR_REG
Bit
Read/W
rite
Default/
Hex
Description
31:24
/
/
/
23:16
R/W
UDF
BK_RED
Red
Red screen background color value
15:8
R/W
UDF
BK_GREEN
Green
Green screen background color value
7:0
R/W
UDF
BK_BLUE
Blue
Blue screen background color value
5.4.4.3. DE-BACK DISPLAY SIZE SETTING REGISTER
Offset: 0x808
Register Name: DEBE_DISSIZE_REG
Bit
Read/W
rite
Default/
Hex
Description
31:16
R/W
UDF
DIS_HEIGHT
Display height
The real display height = The value of these bits add 1
15:0
R/W
UDF
DIS_WIDTH
Display width
The real display width = The value of these bits add 1
5.4.4.4. DE-LAYER SIZE REGISTER
Offset:
Layer 0: 0x810
Layer 1: 0x814
Layer 2: 0x818
Layer 3: 0x81C
Register Name: DEBE_LAYSIZE_REG