Datasheet

DocID028798 Rev 3 63/155
STM32L432KB STM32L432KC Electrical characteristics
147
6.1.6 Power supply scheme
Figure 8. Power supply scheme
Caution: Each power supply pair (V
DD
/V
SS
, V
DDA
/V
SSA
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.
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