31.2 Features

The following are key features of the SERCOM:

• 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
• 32-bit Extension for Better System Bus Utilization