Transcription of AN4861 Application note - STMicroelectronics
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AN4861 Application note - STMicroelectronics
July 2020AN4861 Rev 31/961AN4861 Application noteLCD-TFT display controller (LTDC) on STM32 MCUs IntroductionThe evolution of the mobile, industrial and consumer applications leads to a stronger need of graphical user interfaces (GUIs) and to an increase in the required hardware resources. These applications require higher quality graphics, more hardware and software resources (like memory for graphical primitives or framebuffer) and higher processing performances. To respond to this increasing demand, microprocessor units are often used, which leads to a higher costs and to more complex designs with longer time to market. To face these requirements, the STM32 microcontrollers (MCUs) offer a large graphical portfolio.
graphical library software. This process can be accelerated by a dedicated hardware like the DMA2D Chrom-Art Accelerator, used by the graphical library. The more often the framebuffer is updated, the more fluent the animations are (animation fps). • The framebuffer is a volatile memory used to store pixel data of the image to be displayed.
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