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STM32F469 Arkusz danych(PDF) 6 Page - STMicroelectronics

Numer części STM32F469
Szczegółowy opis  LCD-TFT display controller (LTDC) on STM32 MCUs
PDF  91 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
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STM32F469 Arkusz danych(HTML) 6 Page - STMicroelectronics

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List of figures
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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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