GMA7275C

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The GMA7275C is a general purpose, 64x8 dot-matrix display module. It is built around the US patent NO# 5, 883, 711 digital multiplexer and associated electronic devices. The module is designed to enable multiplexed display of multiple characters and/or images. It has flexible font and display format selection, as well as an onboard logic buffer and support for eight single-row busses, split into four quad-banks.

The module is designed to reduce power consumption, making it an ideal display solution when power saving is needed. It is especially useful in portable applications.

Application Field

The GMA7275C is suitable for many applications, including industrial process control and instrumentation, home and office automation, point-of-sale systems, medical application and automotive/traffic-control/compliance systems. It offers a wide selection of fonts and pixel formats, which can be selected through a register interface. Other features such as contrast and display orientation can also be adjusted via the same interface.

Working Principle

The GMA7275C uses a multiplexed display system to control the display. This display system works on the principle of selecting a row and then displaying a corresponding character or image stored in the module\'s memory. This multiplexing function significantly reduces power consumption and increases the module\'s versatility.

The module also comes with a built-in logic buffer and support for eight single-row busses, which can be split into four quad-banks. By splitting the busses in this manner, the module can support high-speed transfers with minimal performance loss. Additionally, the module supports constant current supplies and PWM brightness control.

Conclusion

The GMA7275C is a versatile and efficient display module that is suitable for a wide range of applications. It offers multiple font and display format selection, as well as onboard logic buffer and support for eight single-row busses, split into four quad-banks. The module\'s power-saving design makes it an ideal choice for portable applications, while its onboard logic buffer and support for high-speed transfers make it a great choice for high-speed applications. Overall, the GMA7275C is an excellent option for any application requiring a high-performing display solution.

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