Designing a Bitcoin Miner


I checked it.
  • There is no ERC result currently available for the decoupling_caps review category, so Flux is not reporting a missing-decoupling warning around X1 right now. The decoupling check is the correct ERC category for this kind of issue
  • In the schematic, X1 has:
    • VDD tied to VCC_3V3
    • GND tied to GND
    • OUT connected only to IC1 CLKI
  • The VCC_3V3 net also includes C17 and C18, so there is capacitance on the rail, but it is not obvious from ERC alone that one of those is a dedicated local bypass capacitor specifically for X1.
So the answer is:
  • ERC: no missing-decoupling flag reported for X1
  • Design clarity: still worth checking whether C17 or C18 is intended to be the oscillator’s local decoupler
If you want, I can next check the oscillator datasheet guidance and tell you whether X1 should have its own dedicated 100 nF cap placed right at the supply pin.
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Schematic of Bitcoin Miner Controller Board

Bitcoin Miner Controller Board

Bitcoin Miner Controller Board thumbnail