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GDM240128A Datasheet, PDF (9/29 Pages) List of Unclassifed Manufacturers – LCD MODULE | |||
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Userâs Manual
5-3. Example of Power Supply
NC
Note: There is an end on the potentiometer for regulating contrast ratio.
5-4. Circuit Block Diagram
The circuit block diagram is shown in the following figure. The LCD module needs
two power sources: Vdd for logic and Vee for LCD drive.
Note: It is necessary to guard all signals from external noise as signal lines are
directly connected to C-MOS and are not pull-up or pull-down internally.
5-5ï¼Application features of module:
ï¼1ï¼ This module can be directly connected to 8080MPU or Z80MPU.
ï¼2ï¼ This module can be set to display in combined display of graphic and text
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