Preliminary
S3C2451X RISC MICROPROCESSOR
LCD
CONTROLLER
22-45
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.
WIN 1 Color key 1 Register
Register Address
R/W
Description
Reset
Value
W1KEYCON1 0x4C8000B4
R/W
Color key value ( transparent value) register
0x0000_0000
W1KEYCON1 Bit
Description Initial
state
COLVAL
[23:0]
Color key value for the transparent pixel effect
0
Note:
COLVAL and COMPKEY use 24-bit color data at all bpp mode.
Unused higher bits should be ‘1b’
.
@ BPP24 mode: 24-bit color value is valid.
A. COLVAL
- Red: COLVAL [23:16]
- Green: COLVAL [15: 8]
- Blue: COLVAL [7:0]
B.
COMPKEY
- Red: COMPKEY [23:16]
- 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’.