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STM32L412C8 Datasheet(PDF) 74 Page - STMicroelectronics

Part # STM32L412C8
Description  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 128KB Flash, 40KB SRAM, analog, ext. SMPS
PDF  192 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L412C8 Datasheet(HTML) 74 Page - STMicroelectronics

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Electrical characteristics
STM32L412xx
74/192
DS12469 Rev 8
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.
MS49692V1
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/
OPAMPs/
COMPs/
VREF+
VREF-
VDDA
10 nF
+1 μF
VDDA
VSSA
VREF
100 nF
+1 μF



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