25.2 Features

  • Interface for Configuring into one of the following (selected by CTRLA.MODE[2:0]):

    • Inter-Integrated Circuit (I2C) two-wire serial interface
    • System Management Bus (SMBus™) compatible
    • Serial Peripheral Interface (SPI)
    • Universal Synchronous/Asynchronous Receiver/Transmitter (USART)
  • Single Transmit Buffer and Double Receive Buffer
  • Baud-rate Generator
  • Address Match/mask Logic
  • Operational in all Sleep modes with an External Clock Source
  • Can be used with DMA

See the Related Links for full feature lists of the interface configurations.