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Epson Research and Development Page 23
Vancouver Design Center
Programming Notes and Examples S1D13708
Issue Date: 01/11/20 X39A-G-003-01
ADVANCE
D
IN
F
ORMATION
Subje
ct to C
ha
nge
5.2.2 Color Modes
In color display modes, the number of LUT entries used is determined by the color depth.
For each color depth (excluding 16 bpp) a table of sample LUT values is provided. These
LUT values are a standardized set of colors used by the Epson S1D13708 utility programs.
Note
The S1D13708 LUT uses only the six most-significant bits of the LUT. The 2 least-sig-
nificant bits are ignored.
1 bpp color
When the S1D13708 is configured for 1 bpp color mode the first 2 entries in the LUT are
used. The remaining indices of the LUT are unused.
2 bpp color
When the S1D13708 is configured for 2 bpp color mode the first 4 entries in the LUT are
used. The remaining indices of the LUT are unused.
Table 5-6: Suggested LUT Values for 1 bpp Color
Index Red Green Blue
00 00 00 00
01 FF FF FF
02 00 00 00
... 00 00 00
FF 00 00 00
= Indicates unused entries in the LUT
Table 5-7: Suggested LUT Values for 2 bpp Color
Index Red Green Blue
00 00 00 00
01 00 00 FF
02 FF 00 00
03 FF FF FF
04
00 00 00
... 00 00 00
FF
00 00 00
= Indicates unused entries in the LUT