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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM32L4R5XX 데이터시트(PDF) 40 Page - STMicroelectronics |
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STM32L4R5XX 데이터시트(HTML) 40 Page - STMicroelectronics |
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40 / 306 page  Functional overview STM32L4R5xx, STM32L4R7xx and STM32L4R9xx 40/306 DocID030321 Rev 3 Figure 6. Clock tree MSv38434V7 SYSCLK MCO LSCO PLL SAI2_EXTCLK 48 MHz clock to USB, RNG to ADC to IWDG to RTC to PWR HCLK to AHB bus, core, memory and DMA FCLK Cortex free running clock to Cortex system timer to APB1 peripherals to APB2 peripherals PCLK1 PCLK2 to SAI1 to SAI2 LSE HSI16 SYSCLK to USARTx X=2..5 to LPUART1 to I2Cx x=1,2,3,4 to LPTIMx x=1,2 SAI1_EXTCLK to TIMx x=2..7 OSC32_OUT OSC32_IN MSI HSI16 HSE HSE MSI HSI16 MSI SYSCLK LSE OSC 32.768 kHz /32 AHB PRESC / 1,2,..512 / 8 APB1 PRESC / 1,2,4,8,16 x1 or x2 HSI16 SYSCLK LSI LSE HSI16 APB2 PRESC / 1,2,4,8,16 to TIMx x=1,8,15,16,17 x1 or x2 to USART1 LSE HSI16 SYSCLK / P / Q / R PLLSAI1 / P / Q / R / M MSI RC 100 kHz – 48 MHz HSI RC 16 MHz HSE OSC 4-48 MHz Clock detector OSC_OUT OSC_IN / 1→16 LSI RC 32 kHz Clock source control PLLSAI3CLK PLL48M1CLK PLLCLK PLLSAI1CLK PLL48M2CLK PLLADC1CLK PLLSAI2CLK PLLLCDCLK HSI16 HSI16 HSI16 PLLSAI2 / P / Q / R HSI16 LSI LSE HSE SYSCLK PLLCLK HSI48 MSI OCTOSPI clock MSI MSI HSI16 DFSDM audio clock SDMMC clock PLLSAI2DIVR LTDC clock DSI PLL DSI - PHY HSE PLLDSICLK ≤ 62.5 MHz ≤ 20 MHz < 62.5 MHz DSIHOST byte lane clock DSIHOST rxclkesc clock / M / M RC 48 MHz CRS clock |
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