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STM32WBA50KG Datasheet(PDF) 18 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) 18 Page - STMicroelectronics

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Functional overview
STM32WBA50KG
18/110
DS14688 Rev 1
3.8
2.4 GHz RADIO
The 2.4 GHz RADIO is ultra-low power, operating in the 2.4 GHz ISM band. It provides
Bluetooth LE 1 Mbps coded, 1 Mbps and 2 Mbps non-coded GFSK. It is compliant with the
Bluetooth 5.4 specification and radio regulations including ETSI EN 300 328, EN 300 440,
EN 301 489-17, ARIB STD-T66, FCC CFR47 part 15 section 15.205, 15.209, 15.247 and
15.249, IC RSS-139 and RSS-210.
The 2.4 GHz RADIO supports the following features:
•
Radio protocol:
–
Bluetooth Low Energy
Figure 2. 2.4 GHz RADIO block diagram
3.9
Power supply management
The power controller (PWR) main features are:
•
Power supplies and supply domains
–
Core domain (VCORE)
–VDD and backup domain
–
Analog domain (VDDA)
–VDDRF for 2.4 GHz RADIO
•
System supply voltage regulation
–
Voltage regulator (LDO)
•
Power supply supervision
–
BOR monitor
–PVD monitor
•
Power management
–
Operating modes
–
Voltage scaling control
–
Low-power modes
MS56639V1
2.4 GHz RADIO
Demodulator
VDDRF
RF
Matching
LNA
IQ
generator
I
Q
BPF
LF
PA
DIV
PFD/CP
Low layer protocol
Modulator
Tx
Rx
SEQRAM
RXTXRAM
RADIO interrupt
VDDRFPA
VDDHPA
VSSRF
VSSRF is connected to exposed pad
Sleep timer
Sleep timer clock
2.4 GHz RADIO
kernel clock
2.4 GHz RADIO RF clock



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