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SMARTAG1 Power management passives

isaacseeto
Associate

Hi, I have been reading the "STM32L031x4 STM32L031x6" datasheet (attached) and referring to the SMARTAG1 schematic (also attached). Why does the MCU require 1 x 100 nF and 3 x 1 uF capacitors?

isaacseeto_2-1722080943900.png

 

isaacseeto_0-1722080859600.png

According to the power supply scheme, shouldn't there be 3 x 100 nF since there are 3 x VDD?

isaacseeto_1-1722080919299.png

 

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