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STM32WBA62CG Datasheet(PDF) 99 Page - STMicroelectronics

Part # STM32WBA62CG
Description  Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M33 with TrustZone , FPU, Bluetooth IEEE802.15.4 radio solution
PDF  185 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WBA62CG Datasheet(HTML) 99 Page - STMicroelectronics

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DS14736 Rev 1
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STM32WBA6xxx
Electrical characteristics
169
Figure 20. Power supply scheme with SMPS (high RF power)
Caution:
Each power supply pair (VDD / VSS, VDDA / VSS, VDDRFPA / VSS, VDDRF / VSS) must be
decoupled with filtering ceramic capacitors as shown. These capacitors must be placed as
close as possible to (or below) the appropriate pins to ensure correct device functionality.
Caution:
VDD and VDDRF must be connected to the same supply.
MSv56524V1
VDD
Backup circuitry
(LSE, RTC, TAMP, and
backup registers)
(CPU, digital, and
memories)
Regulator
IO
logic
IN
OUT
GPIOs
n x 100 nF
+ 10 μF
n x VDD
VCORE
VDDIO
ADC
COMPs
VREF+
VREF-
VDDA
100 nF
+ 1 μF
VDDA
VDDSMPS
VLXSMPS
VDD11
VSSSMPS
10 μF
VDD
2.2 μH
(Exposed pad) n x VSS
4.7 μF
To all modules
SMPS / LDO
regulator
2.4 GHz RADIO
100 nF
VDDRF
n x VSSRF
(2)
VDD
VSSA
VSS
VDDRFPA
VDDANA
100 nF
VDD
470 nF
VDDHPA
100 nF
VDDA
VSSA
(1)
1. VSSA pin is not available on all
packages. When not available, it
is connected to VSS pin.
2. VSSRF pin is not available on
all packages. When not available,
it is connected to VSS pin.
VSSRF
IN
OUT
GPIOs
VDDIO2
VDDIO2
100 nF
+ 10 μF
VDDIO2
VDDUSB
100 nF
VDDUSB
100 nF
+ 1 μF
VREF+
(3)
VREF+
3. VREF+ pin is not available on
all packages. When not available,
it is connected to VDDA pin.



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