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GDM240128A Datasheet, PDF (9/29 Pages) List of Unclassifed Manufacturers – LCD MODULE
User’s 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.
5-5.Application features of module:
(1) This module can be directly connected to 8080MPU or Z80MPU.
(2) This module can be set to display in combined display of graphic and text
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