Samsung S5PC100, User Manual

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DISPLAY CONTROLLER S5PC100 USER’S MANUAL (REV1.0)
9.1-74
6.44 WIN4 COLOR KEY 1 REGISTER (W4KEYCON1, R/W, ADDRESS = (W4KEYCON1, R/W, ADDRESS =
0XEE00_015C)
W4KEYCON1 Bit Description Reset Value
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
y
Red: COLVAL [23:17]
y
Green: COLVAL [15: 8]
y
Blue: COLVAL [7:0]
B. COMPKEY
y
Red: COMPKEY [23:17]
y
Green: COMPKEY [15: 8]
y
Blue: COMPKEY [7:0]
@ BPP16 (5:6:5) mode: 16-bit color value is valid
A. COLVAL
y
Red: COLVAL [23:19]
y
Green: COLVAL [15: 10]
y
Blue: COLVAL [7:3]
B. COMPKEY
y
Red: COMPKEY [23:19]
y
Green: COMPKEY [15: 10]
y
Blue: COMPKEY [7:3]
y
COMPKEY [18:16] must be 0x7.
y
COMPKEY [9: 8] must be 0x3.
y
COMPKEY [2:0] must be 0x7.
NOTE: COMPKEY register must be set properly for the each bpp mode.