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Epson Research and Development

 

Vancouver Design Center

 

 

12 Look-Up Table Architecture

Table 12-1: Look-Up Table Configurations

Display Mode

 

4-Bit Wide Look-Up Table

 

 

 

 

 

 

 

RED

GREEN

 

BLUE

 

 

 

 

 

Black & White

 

1 bank of 2 entries

 

 

4-level gray

 

4 banks of 4 entries

 

 

16-level gray

 

1 bank of 16 entries

 

 

2 color

1 bank of 2 entries

1 bank of 2 entries

 

1 bank of 2 entries

 

 

 

 

 

4 color

4 banks of 4 entries

4 banks of 4 entries

 

4 banks of 4 entries

 

 

 

 

 

16 color

1 bank of 16 entries

1 bank of 16 entries

 

1 bank of 16 entries

 

 

 

 

 

256 color

2 banks of 8 entries

2 banks of 8 entries

 

4 banks of 4 entries

 

 

 

 

 

Indicates the look-up table is not used for that display mode

The following depictions are 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.

12.1 Gray Shade Display Modes

1 Bit-Per-Pixel Mode

Green Look-UpTable

0

1

0

Entry 4-bit display data output

1

Select

 

 

Logic

1-bit pixel data

Figure 12-1: 1 Bit-Per-Pixel 2-Level Gray-Shade Mode Look-Up Table Architecture

S1D13504

Hardware Functional Specification

X19A-A-002-18

Issue Date: 01/01/30

Page 128
Image 128
Epson S1D13504 manual Look-Up Table Architecture, Gray Shade Display Modes, Bit-Per-Pixel Mode, Red