Look-Up Table Architecture; Gray Shade Display Modes; Table 8-8: Look-Up Table Configurations; Figure 37: 4-Level Gray-Shade Mode Look-Up Table Architecture - Epson S1D13503 Technical Manual

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8.2 Look-Up Table Architecture

Display Mode
Black & White
4-level gray
16-level gray
4 color
16 color
256 color

8.2.1 Gray Shade Display Modes

4-Level Gray Shade Mode
2-bit pixel data
Bank Select bits [1:0]
(Aux[0E] bits [7:6])
Note: the above depiction is intended to show the display data output path only. The CPU R/W access to the individual
Look-Up Tables is not affected by the various 'banking' configurations.
S1D13503
X18A-A-001-08
Downloaded from Elcodis.com electronic components distributor

Table 8-8: Look-Up Table Configurations

4-bit wide Palette
RED GREEN
4 banks of 4
1 bank of 16
4 banks of 4 4 banks of 4
1 bank of 16 1 bank of 16
2 banks of 8 2 banks of 8
Indicates the palette is not used for that display mode

Figure 37: 4-Level Gray-Shade Mode Look-Up Table Architecture

BLUE
4 banks of 4
1 bank of 16
4 banks of 4
Green Look-Up Table
Bank 0
0
1
2
3
Bank 1
0
1
Bank
2
3
Select
Bank 2
Logic
0
1
2
3
Bank 3
0
1
2
3
Epson Research and Development
Vancouver Design Center
4-bit display data output
Hardware Functional Specification
Issue Date: 01/01/29