The GLT12232A-SM is an intelligent graphic liquid crystal display engineered to quickly and easily add an elegant creativity to any application.  In addition to the RS232, TTL, and I²C protocols available in the standard model, the USB communication model allows the GLT12232A-SM-USB to be connected to a wide variety of host controllers.  Communication speeds of up to 115.2 kbps in serial modes and 400 kHz in I²C ensure lightning fast text and graphic updates.

The simple command structure permits easy software control of many settings including backlight brightness, screen contrast, and baud rate.  On board memory provides a whopping 256KB of customizable fonts and bitmaps to enhance the graphical user experience.

User input is available through a resistive touch overlay.  In addition, two general purpose outputs provide simple switchable five volt sources on each model, while a small piezo speaker offers audio feedback for a completely interactive experience.

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