Question

How should I connect the pins which are not intended to be used on EFR32?

Answer

  • SUBGRF_OP, SUBGRF_ON, SUBGRF_IP, SUBGRF_IN: Not connected
  • 2G4RF_IOP: Not connected
  • 2G4RF_ION: Connected to ground
  • VREGSW: Not connected
  • PAVDD: Connected to VDD
  • GPIO pins: Not connected

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