Allwinner A20 - Page 539

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 539 / 812
Offset: 0x884
Register Name: DEBE_CKMIN_REG
Bit
Read/W
rite
Default/
Hex
Description
Blue
Blue color key min
5.4.4.12. DE-COLOR KEY CONFIGURATION REGISTER
Offset: 0x888
Register Name: DEBE_CKCFG_REG
Bit
Read/W
rite
Default/
Hex
Description
31:6
/
/
/
5:4
R/W
UDF
CKR_MATCH
Red Match Rule
00: always match
01: always match
10: match if (Color Min=<Color<=Color Max)
11: match if (Color>Color Max or Color<Color Min)
3:2
R/W
UDF
CKG_MATCH
Green Match Rule
00: always match
01: always match
10: match if (Color Min=<Color<=Color Max)
11: match if (Color>Color Max or Color<Color Min)
1:0
R/W
UDF
CKB_MATCH
Blue Match Rule
00: always match
01: always match
10: match if (Color Min=<Color<=Color Max)
11: match if (Color>Color Max or Color<Color Min)