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ST7565P Datasheet(PDF) 30 Page - Sitronix Technology Co., Ltd. |
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ST7565P Datasheet(HTML) 30 Page - Sitronix Technology Co., Ltd. |
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30 / 71 page ![]() ST7565P Ver 2.1b 30/71 2009/09/14 The LCD Driver Circuits The LCD driver circuits generates four voltage levels to drive the LCD. The combination of the display data, the COM scan signal and the FR signal produces the drive voltage of LCD. Figure 6 shows examples of the SEG and COM output wave form. SEG 0 1 COM1 COM2 COM3 COM4 COM5 COM6 COM7 COM8 COM9 COM10 COM11 COM12 COM13 COM14 V DD V SS M V0 V1 V2 V3 V4 VSS COM0 to SEG1 -V4 -V3 -V2 -V1 -V0 V0 V1 V2 V3 V4 VSS COM0 to SEG0 -V4 -V3 -V2 -V1 -V0 V0 V1 V2 V3 V4 V SS SEG1 V0 V1 V2 V3 V4 V SS SEG0 V0 V1 V2 V3 V4 V SS COM2 COM1 V0 V1 V2 V3 V4 V SS V0 V1 V2 V3 V4 V SS COM0 COM0 COM15 2 3 4 Figure 6 |
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