Datasheet

DocID022265 Rev 6 43/121
STM32F051x4 STM32F051x6 STM32F051x8 Electrical characteristics
90
6.1.6 Power supply scheme
Figure 13. 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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