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STM32F469 데이터시트(PDF) 72 Page - STMicroelectronics

부품명 STM32F469
상세설명  LCD-TFT display controller (LTDC) on STM32 MCUs
PDF  91 Pages
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STM32F469 데이터시트(HTML) 72 Page - STMicroelectronics

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LTDC application examples
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DocID029237 Rev 2
LTDC Clocks and timings configuration
System clock configuration
In this example the system clock is configured as shown in Figure 44, and with below
configuration:
–
Use of internal HSI RC where main PLL is used as system source clock.
–
HCLK @ 200 MHz so Cortex®-M7 and LTDC are both running @ 200 MHz.
Note:
HCLK is set to 200 MHz but not 216 MHz, this is to set the SDRAM_FMC at its maximum
speed of 100 MHz with HCLK/2 prescaler.
In order to configure the system clock using STM32CubeMX, select the clock
configuration tab as shown in Figure 43.
Figure 43. STM32CubeMX: clock configuration tab
Then, to get the system clock HCLK @ 200 MHz, set the PLLs and the prescalers in
the clock configuration tab as shown in the Figure 44.
Figure 44. STM32CubeMX: System clock configuration



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