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.