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STM32F103RDT6 VDDA PIN

Mom.1
Associate II

‎2020-01-20 1:15 AM

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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waclawek.jan
Super User

‎2020-01-20 1:35 AM

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

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