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STM32L433CB Datasheet(PDF) 90 Page - STMicroelectronics

No. de pieza STM32L433CB
Descripción Electrónicos  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, LCD, ext. SMPS
PDF  225 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L433CB Datasheet(HTML) 90 Page - STMicroelectronics

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Electrical characteristics
STM32L433xx
90/225
DS11449 Rev 5
6.1.6
Power supply scheme
Figure 18. Power supply scheme
Caution:
Each power supply pair (VDD/VSS, VDDA/VSSA etc.) must be decoupled with filtering ceramic
capacitors as shown above. These capacitors must be placed as close as possible to, or
below, the appropriate pins on the underside of the PCB to ensure the good functionality of
the device.
MSv41628V1
VDD
IO
logic
Kernel logic
(CPU, Digital
& Memories)
Backup circuitry
(LSE, RTC,
Backup registers)
IN
OUT
Regulator
GPIOs
1.55 – 3.6 V
n x 100 nF
+1 x 4.7 μF
n x VSS
n x VDD
VBAT
VCORE
Power switch
VDDIO1
ADCs/
DACs/
OPAMPs/
COMPs/
VREFBUF
VREF+
VREF-
VDDA
10 nF
+1 μF
VDDA
VSSA
VREF
100 nF +1 μF



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