2.2 Features

The following are key features of the module:

  • The combined interface is configurable as one of the following:
    • I2C – Two-wire serial interface (SMBus compatible)
    • SPI – Serial Peripheral Interface
    • USART – Universal Synchronous/Asynchronous Receiver/Transmitter
  • Single transmit buffer and double receive buffers
  • Baud Rate Generator (BRG)
  • Address match or mask logic
  • Operational in all sleep modes
  • Can be used with DMA (not supported in the SAM D20 MCUs)