12
iCE40 UltraLite Breakout Board
Register Definitions
Default setting (hardware, software) is denoted by (*).
RGB Color[3:0]
Color
Color Code
0000*
Red
#FF0000
0001
Orange
#FF7F00
0010
Yellow
#FFFF00
0011
Chartreuse
#7FFF00
0100
Green
#00FF00
0101
Spring Green
#00FF7F
0110
Cyan
#00FFFF
0111
Azure
#007FFF
1000
Blue
#0000FF
1001
Violet
#7F00FF
1010
Magenta
#FF00FF
1011
Rose
#FF007F
1100
—
1101
—
1110
—
1111
White
#FFFFFF
Brightness[3:0]
Level (%)
0000
6.25(dim)
0001
12.5
0010
18.75
0011
25
0100
31.25
0101
37.5
0110
43.75
0111*
50
1000
56.25
1001
62.5
1010
68.75
1011
75
1100
81.25
1101
87.5
1110
93.75
1111
100 (bright)