33.2 Features

  • Full-Duplex, Four-Wire Interface (MISO, MOSI, SCK, SS)
  • One-Level Transmit Buffer, Two-Level Receive Buffer
  • Supports All Four SPI Modes of Operation
  • Single Data Direction Operation Allows Alternate Function on MISO or MOSI Pin
  • Selectable LSB- or MSB- First Data Transfer
  • Can Be Used with DMA
  • 32-Bit Extension for Better System Bus Utilization
  • Up to 16-Bytes Internal FIFO
  • Host Operation:
    • Serial clock speed up to half the system clock
    • 8-bit clock generator
    • Hardware controlled SS
    • Optional inter-character spacing
  • Client Operation:
    • Serial clock speed up to half the system clock
    • Optional 8-bit address match operation
    • Operation in all sleep modes
    • Wake on SS transition
Note: SERCOM2 does not have SPI functionality.