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S1D13706F00A Datasheet(PDF) 87 Page - Epson Company |
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S1D13706F00A Datasheet(HTML) 87 Page - Epson Company |
87 / 94 page ![]() S1D13305 Series EPSON 81 Technical Manual 16.5.2.2. Graph display To present two overlaid graphs on the screen, configure the display as for the menu bar display and put one graph on each screen layer. The difference in contrast between the half- and full-intensity displays will make it easy to distinguish between the two graphs and help create an attractive display. 1. OVLAY: P1 = 00H 2. DISP ON/OFF: P1 = 34H 16.5.3. Flashing areas 16.5.3.1 Small area To flash selected characters, the MPU can alternately write the characters as character codes and blank charac- ters at intervals of 0.5 to 1.0 seconds. 16.5.3.2. Large area Divide both layer 1 and layer 2 into two screen blocks each, layer 2 being divided into the area to be flashed and the remainder of the screen. Flash the layer 2 screen block at 2 Hz for the area to be flashed and combine the layers using the OR function. 16.6. 16 × 16-dot Graphic Display 16.6.1. Command usage This example shows how to display 16 × 16-pixel characters. The command sequence is as follows: CSRW Set the cursor address. CSRDIR Set the cursor auto-increment direction. MWRITE Write to the display memory. 16.6.2. Kanji character display The program for writing large characters operates as follows: 1. The microprocessor reads the character data from its ROM. 2. The microprocessor sets the display address and writes to the VRAM. The flowchart is shown in Figure 69. Figure 66. Localized flashing ABC XYZ ABC XYZ APPLICATION NOTES |
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