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STM32L443CC Datasheet(PDF) 3 Page - STMicroelectronics

Part # STM32L443CC
Description  Batch acquisition mode
PDF  207 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L443CC Datasheet(HTML) 3 Page - STMicroelectronics

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STM32L443CC STM32L443RC STM32L443VC
Contents
6
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.1
ARM® Cortex®-M4 core with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.2
Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 17
3.3
Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.4
Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.5
Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.6
Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.7
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.8
Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 20
3.9
Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.9.1
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.9.2
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.9.3
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.9.4
Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.9.5
Reset mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.9.6
VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.10
Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.11
Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.12
General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 32
3.13
Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 32
3.14
Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.14.1
Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 33
3.14.2
Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 33
3.15
Analog to digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.15.1
Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.15.2
Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.15.3
VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.16
Digital to analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35



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