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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
DISPLAY
CONTROLLER
14-61
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
WIN4 Color key 1 Register
Register
Address
R/W
Description
Reset Value
W4KEYCON1
0x7710015C
R/W
Color key value ( transparent value) register
0x0000_000
0
W4KEYCON1
Bit
Description
Initial state
COLVAL
[23:0]
Color key value for the transparent pixel effect.
0
Note.
COLVAL and COMPKEY use 24bit color data at all BPP mode.
@ BPP24 mode : 24 bit color value is valid.
A. COLVAL
- Red : COLVAL[23:17]
- Green: COLVAL[15: 8]
- Blue : COLVAL[7:0]
B. COMPKEY
- Red : COMPKEY[23:17]
- Green: COMPKEY[15: 8]
- Blue : COMPKEY[7:0]
@ BPP16 (5:6:5) mode : 16 bit color value is valid
A. COLVAL
- Red : COLVAL[23:19]
- Green: COLVAL[15: 10]
- Blue : COLVAL[7:3]
B. COMPKEY
- Red : COMPKEY[23:19]
- Green: COMPKEY[15: 10]
- Blue : COMPKEY[7:3]
- COMPKEY[18:16] must be 0x7.
- COMPKEY[ 9: 8] must be 0x3.
- COMPKEY[ 2:0] must be 0x7.
Note.
COMPKEY register must be set properly for the each BPP mode.