Allwinner A20 - Page 551

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 551 / 812
Bit
Read/W
rite
Default/
Hex
Description
31:0
R/W
UDF
WB_ADD
The start address of write back data in WORD
5.4.4.19. DE BACKEND WRITE BACK BUFFER LINE WIDTH REGISTER
Offset: 0x8F8
Register Name: DEBE_WBLINEWIDTH_REG
Bit
Read/W
rite
Default/
Hex
Description
31:0
R/W
UDF
WB_LINEWIDTH
Write back image buffer line width in bits
5.4.4.20. DE-SPRITE ENABLE REGISTER
Offset: 0x900
Register Name: DEBE_SPREN_REG
Bit
Read/W
rite
Default/
Hex
Description
31:1
/
/
/
0
R/W
UDF
SPR_EN
0:
disable
1:
enable
5.4.4.21. DE-SPRITE FORMAT CONTROL REGISTER
Offset: 0x908
Register Name: DEBE_SPRFMTCTL_REG
Bit
Read/W
rite
Default/
Hex
Description
31:13
/
/
/
12
R/W
UDF
SPR_FBPS
Pixel sequence