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RA6963 Datasheet(PDF) 45 Page - RAIO Technology Inc. |
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RA6963 Datasheet(HTML) 45 Page - RAIO Technology Inc. |
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45 / 46 page ![]() Preliminary Version 1.3 Dot Matrix LCD Controller RAiO TECHNOLOGY INC. www.raio.com.tw 45/46 RA6963 < Figure 9-3 > 9-4 Application Block Diagram All LCD require two power sources, VDD for logic circuits and VEE for Liquid Crystal (LC) drive. Some graphics LCD modules will run directly of a single VDD supply by generating the VEE voltage on-board; others will require an external DC-DC converter to generate the negative VEE voltage. Refer to individual specifications for details. SD0 | SD7 8-Bit SD0 | SD7 WR RD CE C/D RST FS1 4-Bit 2-Bit WR RD CE C/D RST FS RA66256 SRAM 128 X 240 LCD Panel X-Driver X-Driver X-Driver Y-Driver Y-Driver 64 64 80 80 80 Power Supply GND VDD VEE RA6963 < Figure 9-4 > |
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