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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F479 датащи(PDF) 39 Page - STMicroelectronics |
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STM32F479 датащи(HTML) 39 Page - STMicroelectronics |
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39 / 91 page  DocID029237 Rev 2 39/91 AN4861 Creating a graphical application with LTDC 89 4.2.3 Check the compatibility of the display panel interface with the LTDC The user should choose the LCD panel depending on the application needs. The two main factors to consider when choosing the LCD panel are the resolution and the color depth. These two factors have a direct impact on the following parameters: • The required GPIO number. • The framebuffer size and location. • The pixel clock of the display. Table 12. Example of supported display resolutions in specific STM32 hardware configurations Display characteristics STM32's LTDC configuration Resolution Refresh rate (Hz) Pixel clock (MHz) Display standard Color depth SDRAM 16-bit SDRAM 32-bit 320 x 240 (QVGA) 60 5.6 Custom Up to 32 bpp 480 x 272 9.5 640 x 480 (VGA) 25.175 Industry standard Up to 24 bpp Up to 32 bpp 800 x 600 (SVGA) 40.000 VESA guidelines(1) 1. VESA (video electronics standards association) is a technical standards organization for computer display standards providing display monitor timing (DMT) standards. Up to 16 bpp Up to 24 bpp 1024 x 768 (XGA) 65 8 bpp Up to 16 bpp 1280 x 768 68.250 CVT R.B(2) 2. CVT R.B: coordinated video timings reduced blanking standard by VESA. 1280 x 720 (HD) 74.25 CEA(3) 3. CEA = consumer electronics association. Up to 16 bpp(4) 4. Up to 8 bpp for the STM32F4x9 microcontrollers 1920 x1080 30 74.25 CEA(3) |
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