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STM32WBA50KG Datasheet(PDF) 26 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) 26 Page - STMicroelectronics

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Functional overview
STM32WBA50KG
26/110
DS14688 Rev 1
Here below some use-cases that can be done while remaining in Stop mode:
•
A/D conversion triggered by a low-power timer (or any other trigger)
–
wake-up from Stop mode on analog watchdog if the A/D conversion result is out of
programmed thresholds
–
wake-up from Stop mode on DMA buffer event
•
I2C slave reception or transmission, SPI reception, UART/LPUART reception
–
wake-up at the end of peripheral transfer or on DMA buffer event
•
I2C master transfer, SPI transmission, UART/LPUART transmission, triggered by a
low-power timer (or any other trigger):
–
example: sensor periodic read
–
wake-up at the end of peripheral transfer or on DMA buffer event
•
Bridges between peripherals
–
example: ADC converted data transferred by communication peripherals
•
Data transfer from/to GPIO to/from SRAM for:
–
controlling external components
–
implementing data transmission and reception protocols
Table 7. Functionalities depending on the working mode(1)
Peripheral
Run
Sleep
Stop 0
Stop 1
Standby
retention
Standby
-
-
-
CPU
Y
R
R
-R
--
--
-
Flash memory
O(2)
O(2)
R
-R
-R
-R
-
SRAM1
O
O
O(3)
-O(3)
-O(3)
-O(3)
-
SRAM2
O
O
O(3)
O(4)
O(3)
O(3)
-O(3)
-
Backup registers
O
O
O
-R
-R
-R
-
ICACHE
O
R
R
-R
--
--
-
2.4 GHz RADIO
O
R
O
R
O
R
OR
--
--
-
2.4 GHz RADIO SRAM
OROROR
-R
-R
--
-
SLEEP_TIMER
O
O
O
OO
OO
O-
-
BOR
Y
Y
Y
YY
YY
YY
Y
PVD
O
O
O
OO
O-
--
-
HSI16
O
O
O(5)
-O(5)
--
--
-
HSE32
O
O
O(6)
-
--
--
--
-
LSI
O
O
O
-O
-O
-O
-
LSE
O
O
O
-O
-O
-O
-
HSECSS
O
O
O
-
O-
--
--
-



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