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Mom.1
Associate II
January 20, 2020
Question

STM32F103RDT6 VDDA PIN

  • January 20, 2020
  • 1 reply
  • 1160 views

0690X00000BwCEZQA3.png0690X00000BwCEtQAN.pngHi,

In the STM32F103RDT6 , The datsheet showing VDDA pin needs 10nf AND 1Uf. But in AN2586 reference document, it shows 100nf and 1Uf. which one is correct?

Warm regards,

Monisha OM

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1 reply

waclawek.jan
Super User
January 20, 2020

The particular value of 10nF/100nF is not that important. Routing, layout of ground, and placement (as close as possible) of the ceramic capacitors in supply is more important that their particular value.

JW