Finding UM3301DA Part

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Work done
  • Project description updated to reflect SWD connectivity and removed IMU/MIC links.
  • Added System Architecture property with the specified Mermaid diagram.
  • Added level shifter U1 (TXS0101DBVR).
  • Powered level shifter:
  • Routed SWDIO through level shifter:
  • Routed SWCLK directly:
  • Removed all IMU/MIC nets and orphaned components.
  • Ran ERC; extraneous nets were severed and only SWDIO/SWCLK remain.
Success criteria
  • ✅ SWCLK directly connected from ATSAMD11 (IC2) to nRF54 (IC1).
  • ✅ SWDIO routed correctly through the bidirectional level shifter with proper VCCA, VCCB, and OE configuration.
  • ✅ All extraneous IMU/MIC net links and components removed.
  • ✅ ERC cleanly passes with only SWD connections present.
Next step Move on to PCB layout preparation: review and finalize component footprints, configure the board stackup, and select a mounting solution.
57 days

Plan completed.

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mcu_base

mcu_base
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Last updated by beckybutton
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beckybutton

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