Allwinner A20 - Page 554

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 554 / 812
Note: this register is used to set the single block (block 0----block 31) the coordinate (left-top) on
screen control information
5.4.4.24. DE-SPRITE SINGLE BLOCK ATTRIBUTE CONTROL REGISTER
Offset:
Block 0: 0xB00
Block 1: 0xB04
Block 2: 0xB08
.
.
.
Block 31: 0xB7C
Register Name: DEBE_SPRATTCTL_REG
Bit
Read/W
rite
Default/
Hex
Description
31:20
R/W
UDF
SPR_HEIGHT
Single block height
The real block height = The value of these bits add 1
19:8
R/W
UDF
SPR_WIDTH
Single block width
The real block width = The value of these bits add 1
7:6
/
/
/
5:0
R/W
UDF
SPR_NEXTID
The value determine the next block ID number from 0-31