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STM32L412C8 bảng dữ liệu(PDF) 34 Page - STMicroelectronics

tên linh kiện STM32L412C8
Giải thích chi tiết về linh kiện  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 128KB Flash, 40KB SRAM, analog, ext. SMPS
PDF  192 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L412C8 bảng dữ liệu(HTML) 34 Page - STMicroelectronics

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 34 / 192 page
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Functional overview
STM32L412xx
34/192
DS12469 Rev 8
Figure 4. Clock tree
MSv46900V3
PLLCLK
SYSCLK
MCO
LSCO
PLL
48 MHz clock to USB, RNG
to ADCx, x=1,2
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
LSE
HSI16
SYSCLK
to USARTx
x=2..3
to LPUART1
to I2Cx
x=1,2,3
to LPTIMx
x=1,2
to TIMx
x=2,6,7
OSC32_OUT
OSC32_IN
MSI
HSI16
HSE
HSI16
LSI
LSE
HSE
SYSCLK
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=1,15,16
x1 or x2
to
USART1
LSE
HSI16
SYSCLK
/ 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
PLL48M1CLK
PLLCLK
HSI RC
48 MHz
HSI48
CRS
MSI



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