S1D13700F02 Epson Electronics America, Inc., S1D13700F02 Datasheet - Page 109

• Manufacturer Part Number: S1D13700F02
• Description: Embedded Memory Graphics Lcd Controller
• Manufacturer: Epson Electronics America, Inc.

Epson Research and Development
Vancouver Design Center
15.1.3 Display Mode Setting Example 1: Combining Text and Graphics
Hardware Functional Specification
Issue Date: 2005/11/29
Conditions
• 320 × 200 pixels, single panel drive (1/200 duty cycle)
• First layer: text display
• Second layer: graphics display
• 8 × 8-pixel character font
• CGRAM not required
Display memory allocation
• First layer (text): 320 ÷ 8 = 40 characters per line, 200 ÷ 8 = 25 lines. Required memory
• Second layer (graphics): 320 ÷ 8 = 40 characters per line, 200 ÷ 1 = 200 lines. Required
size = 40 × 25 = 1000 bytes.
memory size = 40 × 200 = 8000 bytes.
Figure 15-2 Character Over Graphics Layers
0000h
1st character layer
(1000 bytes)
03E8h
2nd graphics layer
(8000 bytes)
Revision 1.01
03E7h
2327h
X42D-A-001-01
S1D13700F02
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