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STM32F072CB Datasheet(PDF) 16 Page - STMicroelectronics

Part # STM32F072CB
Description  Arm®-based 32-bit MCU, up to 128 KB Flash, crystal-less USB FS 2.0, CAN, 12 timers, ADC, DAC & comm. interfaces, 2.0 - 3.6 V
PDF  128 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F072CB Datasheet(HTML) 16 Page - STMicroelectronics

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Functional overview
STM32F072x8 STM32F072xB
16/128
DS9826 Rev 6
back to the internal RC oscillator. A software interrupt is generated if enabled. Similarly, full
interrupt management of the PLL clock entry is available when necessary (for example on
failure of an indirectly used external crystal, resonator or oscillator).
Figure 2. Clock tree
Several prescalers allow the application to configure the frequency of the AHB and the APB
domains. The maximum frequency of the AHB and the APB domains is 48 MHz.
MSv31418V2
OSC_IN
OSC_OUT
OSC32_IN
OSC32_OUT
IWDG
PLLMUL
MCO
Main clock
output
PLLCLK
HSI
HSE
PLLCLK
ADC
asynchronous
clock input
LSE
LSI
HSI
HSE
RTC
PLLSRC
SW
MCO
RTCCLK
RTCSEL
SYSCLK
TIM1,2,3,6,7,
14,15,16,17
FLITFCLK
Flash memory
programming
interface
HSI14
HSI14
LSE
I2C1
USART1
LSE
HSI
SYSCLK
PCLK
SYSCLK
HSI
PCLK
I2S1/SPI1
I2S2/SPI2
CEC
APB
peripherals
LSI
LSE
PREDIV
HSI48
PLLNODIV
MCOPRE
TIM14
LSE
HSE
SYNC
CSS
Trim
Legend
white
clock tree control element
clock line
control line
black
clock tree element
/32
4-32 MHz
HSE OSC
/1,/2,/4,
/8,/16
/1,/2
14 MHz RC
HSI14
/1,/2,…
…/512
8 MHz
HSI RC
/1,/2,..
../16
32.768 kHz
LSE OSC
40 kHz
LSI RC
PLL
x2,x3,..
...x16
48 MHz
HSI RC
x1, x2
/1,/2,/4,..
../128
USARTxSW
PPRE
PPRE
HPRE
CECSW
/244
I2C1SW
SYSCLK
CRS
HSI
HSI48
HSI48
HSI48
HSI
SYNCSRC
USART2
HCLK
AHB, core, memory, DMA,
Cortex FCLK free-run clock
Cortex
system timer
/8
USB
HSI48
USBSW
LSE
USB SOF



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