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Epson Research and Development Page 71
Vancouver Design Center
Hardware Functional Specification S1D13705
Issue Date: 02/02/01 X27A-A-001-10
11 Look-Up Table Architecture
The following figures are intended to show the display data output path only.
Note
When Video Data Invert is enabled the video data is inverted after the Look-Up Table.
11.1 Monochrome Modes
The green Look-Up Table (LUT) is used for all monochrome modes.
1 Bit-per-pixel Monochrome mode
Figure 11-1: 1 Bit-per-pixel Monochrome Mode Data Output Path
2 Bit-per-pixel Monochrome Mode
Figure 11-2: 2 Bit-per-pixel Monochrome Mode Data Output Path
Green Look-Up Table 256x4
00
01
FC
FD
FE
FF
1 bit-per-pixel data
4-bit Gray Data
from Display Buffer
0
1
02
= unused Look-Up Table entries
Green Look-Up Table 256x4
00
01
02
03
FC
FD
FE
FF
00
01
2 bit-per-pixel data
4-bit Gray Data
from Display Buffer
10
11
= unused Look-Up Table entries
04