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STM32F469 Arkusz danych(PDF) 6 Page - STMicroelectronics |
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STM32F469 Arkusz danych(HTML) 6 Page - STMicroelectronics |
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6 / 91 page ![]() List of figures AN4861 6/91 DocID029237 Rev 2 List of figures Figure 1. Basic embedded graphic system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 2. Display module with embedded controller and GRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 3. Display module without controller nor GRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 4. Display module without controller nor GRAM and with external framebuffer . . . . . . . . . . . 10 Figure 5. MIPI-DBI type A or B interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 6. MIPI-DBI type C interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 7. MIPI-DPI interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 8. MIPI-DSI interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 9. LTDC AHB master in STM32F429/439 and STM32F469/479 lines smart architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 10. LTDC AHB master in STM32F7x6, STM32F7x7, STM32F7x8 and STM32F7x9 smart architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 11. LTDC Block digram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 12. LTDC signal interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 13. Typical LTDC display frame (active width = 480 pixels) . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 14. Fully programmable timings and resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 15. LTDC fully programmable display resolution with total width up to 4096 pixels and total height up to 2048 lines . . . . . . . . . . . . . . . . . . . . . . 25 Figure 16. Blending two layers with a background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 17. Layer window programmable size and position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 18. Pixel data mapping versus color format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 19. Programmable color layer in framebuffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 20. Pixel format conversion from RGB565 input pixel format to the internal ARGB8888 format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 21. AHB masters concurrent access to SDRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 22. Typical graphic hardware configuration with external SDRAM . . . . . . . . . . . . . . . . . . . . . . 36 Figure 23. Double buffering: synchronizing LTDC with DMA2D or CPU . . . . . . . . . . . . . . . . . . . . . . . 42 Figure 24. Example of taking advantage from memory slaves split on the STM32F4x9 line MCUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 25. Burst access crossing the kilobyte boundary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 26. Reducing layer window and framebuffer line widths. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Figure 27. Adding dummy bytes to make the line width multiple of 64 bytes. . . . . . . . . . . . . . . . . . . . 47 Figure 28. Placing the two buffers in independent SDRAM banks . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Figure 29. FMC SDRAM and NOR/PSRAM memory swap at default system memory map (MPU disabled). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Figure 30. Connecting an RGB666 display panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Figure 31. Low-end graphic implementation example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Figure 32. High-end graphic implementation example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Figure 33. Graphic hardware configuration in the STM32F746G-DISCO . . . . . . . . . . . . . . . . . . . . . . 64 Figure 34. LCD-TFT connection in the STM32F746G-DISCO board . . . . . . . . . . . . . . . . . . . . . . . . . 65 Figure 35. Backlight controller module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Figure 36. STM32CubeMX: LTDC GPIOs configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Figure 37. STM32CubeMX: PJ7 pin configuration to LTDC_G0 alternate function . . . . . . . . . . . . . . . 68 Figure 38. STM32CubeMX: LTDC configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Figure 39. STM32CubeMX: LTDC GPIOs output speed configuration . . . . . . . . . . . . . . . . . . . . . . . . 69 Figure 40. STM32CubeMX: display enable pin (LCD_DISP) configuration . . . . . . . . . . . . . . . . . . . . . 70 Figure 41. STM32CubeMX: setting LCD_DISP pin output level to high . . . . . . . . . . . . . . . . . . . . . . . 70 Figure 42. STM32CubeMX: enabling LTDC global and error interrupts . . . . . . . . . . . . . . . . . . . . . . . 71 |
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