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STM32WBA50KG Datasheet(PDF) 3 Page - STMicroelectronics

Part # STM32WBA50KG
Description  Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M33 with FPU, Bluetooth® 5.4 radio solution
PDF  110 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WBA50KG Datasheet(HTML) 3 Page - STMicroelectronics

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DS14688 Rev 1
3/110
STM32WBA50KG
Contents
6
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1
Arm Cortex-M33 core with MPU, DSP, and FPU . . . . . . . . . . . . . . . . . . . 14
3.2
ART Accelerator (ICACHE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.3
Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.4
Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.5
Embedded flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.6
Embedded SRAMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.8
2.4 GHz RADIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.9
Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.9.1
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.9.2
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.9.3
Reset mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.10
Reset and clock controller (RCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.11
General-purpose input/output (GPIO) . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.12
System configuration controller (SYSCFG) . . . . . . . . . . . . . . . . . . . . . . . 31
3.13
Peripheral interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.14
General purpose direct memory access controller (GPDMA) . . . . . . . . . 31
3.15
Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.15.1
Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 33
3.15.2
Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 33
3.16
Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 34
3.17
Analog-to-digital converter (ADC4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.17.1
Analog-to-digital converter (ADC4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.17.2
Temperature sensor (VSENSE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.17.3
Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.18
Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.19
True random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . 37



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