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ML9050 Datasheet(PDF) 6 Page - OKI electronic componets |
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ML9050 Datasheet(HTML) 6 Page - OKI electronic componets |
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6 / 71 page  ¡ Semiconductor ML9050/9051 6/71 PEDL9050-02 Function Pin name Number of pins Description I/O ML9050 V2 8/9 ¥ V1 6/7 ¥ V1 V3 7/9 ¥ V1 5/7 ¥ V1 V4 2/9 ¥ V1 2/7 ¥ V1 V5 1/9 ¥ V1 1/7 ¥ V1 Power supply circuit 2— VRS This is the external input VREG power supply for the LCD power supply voltage adjustment circuit. (This pin should be left open when not used as an external input) This pin is effective only in the case of optional devices with the VREG external input option. 2O VOUT These are the output pins during voltage multiplication. Connect a capacitor between these pins and VSS. 10 — V1 V2 V3 V4 V5 These are the multiple level power supply pins for the LCD power supply. The voltages specified for the LCD cells are applied to these pins after resistor network voltage division or after impedance transformation using operational amplifiers. The voltages are specified taking VSS as the reference, and the following relationship should be maintained among them. V1 ≥ V2 ≥ V3 ≥ V4 ≥ V5 ≥ VSS Master operation: When the power supply is ON, the following voltages are applied to V2 to V5 from the built-in power supply circuit. The selection of voltages is determined by the LCD bias set command. 2I VR Voltage adjustment pins. Voltages between V1 and VSS are applied using a resistance voltage divider. These pins are effective only when the internal resistors for voltage V1 adjustment are not used (IRS = "L"). Do not use these pins when the internal resistors for voltage V1 adjustment are used (IRS = "H"). 2O VC1+ These are the pins for connecting the positive side of the capacitors for voltage multiplication. Connect capacitors between VS1– and these pins. 2O VS1– These are the pins for connecting the negative side of the capacitors for voltage multiplication. Connect capacitors between these pins and VC1+, VC3+, and VC5+. ML9051 V2 7/8 ¥ V1 5/6 ¥ V1 V3 6/8 ¥ V1 4/6 ¥ V1 V4 2/8 ¥ V1 2/6 ¥ V1 V5 1/8 ¥ V1 1/6 ¥ V1 |
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