S1D13503 Epson Electronics America, Inc., S1D13503 Datasheet - Page 127

• Manufacturer Part Number: S1D13503
• Description: S1d13503 Graphics Lcd Controller
• Manufacturer: Epson Electronics America, Inc.

Epson Research and Development
Vancouver Design Center
3.2.7 Sixteen Colors (Four Bits/Pixel in Color Mode)
Programming Notes and Examples
Issue Date: 01/01/30
When the S1D13503 has 4-bit color pixels, each pixel can index into each of the three color LUTs. The LUT bank bits are
ignored in this mode.
16-Level Color Mode
Address
4-bit pixel data
00
01
02
03
04
05
06
07
Table 3-10: Simulation Of First 16 Entries Of Standard VGA Palette
Red
0A
0A
0A
0A
00
00
00
00
Figure 8: 16-Level Color Mode Look-Up Table Architecture
Green
0A
0A
0A
0A
00
00
00
00
Red Look-Up Table 16x4
Green Look-Up Table 16x4
Blue Look-Up Table 16x4
0
1
2
3
C
D
E
F
0
1
2
3
C
D
E
F
0
1
2
3
C
D
E
F
Blue
0A
0A
0A
0A
00
00
00
00
Address
0A
0D
0B
0C
0E
08
09
0F
4-bit ‘GREEN’ Look-Up Table data output
4-bit ‘BLUE’ Look-Up Table data output
4-bit ‘RED’ Look-Up Table data output
Red
0F
0F
0F
0F
00
00
00
00
Green
0F
0F
0F
0F
00
00
00
00
Blue
0F
0F
0F
0F
00
00
00
00
X18A-G-002-06
S1D13503
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