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H838532H bảng dữ liệu(PDF) 396 Page - Renesas Technology Corp |
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H838532H bảng dữ liệu(HTML) 396 Page - Renesas Technology Corp |
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396 / 508 page ![]() Section 13 LCD Controller/Driver Rev. 1.00 May 30, 2008 Page 376 of 484 REJ09B0436-0100 d. LCD drive power supply setting With this LSI, there are two ways of providing LCD power: by using the on-chip power supply circuit, or by using an external circuit. When the on-chip power supply circuit is used for the LCD drive power supply, the V 0 and V1 pins should be interconnected externally, as shown in figure 13.4 (a). When an external power supply circuit is used for the LCD drive power supply, connect the external power supply to the V 1 pin, and short the V0 pin to VCC externally, as shown in figure 13.4 (b). VCC V1 V2 V3 VSS V0 (a) Using on-chip power supply circuit VCC V1 V2 V3 VSS V0 (b) Using external power supply circuit External power supply Figure 13.4 Examples of LCD Power Supply Pin Connections e. Low-power-consumption LCD drive system Use of a low-power-consumption LCD drive system enables the power consumption required for LCD drive to be optimized. For details, see section 13.3.4, Low-Power-Consumption LCD Drive System. |
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